R&U compliance of a Vault user is a report in QualityDocs which gives a training report of a particular user. If there are multiple revisions of a particular document, the effective date for all revisions is that of the latest revision. Eg MBR-0001, Rev 1.0 to Rev 4.0 all will have effective date of Rev 4.0. Also if a document is undergoing a revision then there is no effective date of the latest steady state.
Improvement suggestion - Have effective dates of all major versions so that training assignment and training completed dates are accurate. Also have effective dates even when documents are undergoing revision