Answer
IFS Cloud is built around a subscription licensing model, which bundles in capabilities like evergreen updates, IFS Value Added Services, and support as part of the subscription — but the specific commercial terms (whether a perpetual license can be retained, how existing licenses convert, cost implications of surrendering perpetual licenses, and similar contractual questions) are genuinely account-specific and need to go through your IFS Sales contact rather than being something technical documentation or community discussion can answer definitively; treat license-type mechanics (like the different user-license tiers) as separate from these commercial/contractual questions, which are outside what technical guidance can resolve.