To create and modify applications in Application Builder, a user group must have the rights to App Builder set in Configuration Rights | Products in the Configuration module.
In order for the end users to have access to full range of the Application Builder functionalities, they must have rights to the appropriate applications. These rights are set in OnBase Studio. In addition, if you want to allow users to use other modules within the Application Builder interface, such as Unity Forms or Workflow tasks, you must grant the appropriate rights in the Configuration module.