<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019de001-910d-725f-94f2-8e8b1c0a88b7,g:12d4d1f4-ee37-4431-b359-cac16804d242-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.versigent.com/role/CoverPage" xlink:type="simple" xlink:href="vgnt-20260505.xsd#CoverPage"/>
  <link:presentationLink xlink:role="http://www.versigent.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019de001-910d-7ff7-a82b-9b41a8d12d76" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_DocumentType_019de001-910d-7ff7-a82b-9b41a8d12d76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019de001-910d-7ad2-8e3b-e2f94a42ce28" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_DocumentPeriodEndDate_019de001-910d-7ad2-8e3b-e2f94a42ce28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019de001-910d-796e-a790-1c3a670fb39e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_EntityRegistrantName_019de001-910d-796e-a790-1c3a670fb39e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019de001-910d-73b3-a867-c55acbd0bed1" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019de001-910d-73b3-a867-c55acbd0bed1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019de001-910d-7ef3-80e2-fb143fc32223" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_EntityFileNumber_019de001-910d-7ef3-80e2-fb143fc32223" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019de001-910d-7f57-9f56-e9dc6d03edeb" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_EntityTaxIdentificationNumber_019de001-910d-7f57-9f56-e9dc6d03edeb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019de001-910d-7005-a6ee-c390fa520d1c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_EntityAddressAddressLine1_019de001-910d-7005-a6ee-c390fa520d1c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019de001-910d-79b7-8dc3-86700112730b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_EntityAddressPostalZipCode_019de001-910d-79b7-8dc3-86700112730b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019de001-910d-7a95-bb50-1a34b85c1a69" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_EntityAddressCityOrTown_019de001-910d-7a95-bb50-1a34b85c1a69" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCountry_019de001-910d-7c10-ae21-e4ab33c25746" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCountry"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_EntityAddressCountry_019de001-910d-7c10-ae21-e4ab33c25746" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CountryRegion_019de001-910d-76e2-8bc4-68cfb97c3ea1" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CountryRegion"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_CountryRegion_019de001-910d-76e2-8bc4-68cfb97c3ea1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019de001-910d-7dff-9052-80d473394b25" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_CityAreaCode_019de001-910d-7dff-9052-80d473394b25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019de001-910d-71f6-a94d-2e4f89e41681" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_LocalPhoneNumber_019de001-910d-71f6-a94d-2e4f89e41681" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019de001-910d-7962-8ecd-625491b81c6b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_WrittenCommunications_019de001-910d-7962-8ecd-625491b81c6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019de001-910d-7ae5-9e46-f3e16c40b3c3" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_SolicitingMaterial_019de001-910d-7ae5-9e46-f3e16c40b3c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019de001-910d-7a74-afdf-0810d114eda0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_PreCommencementTenderOffer_019de001-910d-7a74-afdf-0810d114eda0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019de001-910d-71d2-a6e3-2491cf36971f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019de001-910d-71d2-a6e3-2491cf36971f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019de001-910d-7f0e-a2a3-dd3f04dc8373" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_Security12bTitle_019de001-910d-7f0e-a2a3-dd3f04dc8373" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019de001-910d-7279-bb5a-094dea618a17" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_TradingSymbol_019de001-910d-7279-bb5a-094dea618a17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019de001-910d-7303-9bc0-10bc7ce76d06" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_SecurityExchangeName_019de001-910d-7303-9bc0-10bc7ce76d06" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019de001-910d-7169-badf-2f2f493b8c04" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_EntityEmergingGrowthCompany_019de001-910d-7169-badf-2f2f493b8c04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019de001-910d-70ae-b978-03a9006db60d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_EntityCentralIndexKey_019de001-910d-70ae-b978-03a9006db60d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019de001-910d-738a-b30d-92bcf1b6fcd6" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019de001-910d-7a52-a54d-610e841fc764" xlink:to="loc_dei_AmendmentFlag_019de001-910d-738a-b30d-92bcf1b6fcd6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
