In the Setting module, General Setting, User Management, Ŕles, theof the'Type'will allow you to distinguish users (paid licenses) from viewers (unlimited and free)
More doubt about the granting of permissions regarding "Visioners" because when you choose the type"Visioner"then you will only have the"free" permissionsthat will appear.
For more explanations, you will find attached the guideManagement of types of rules