User Rights that is assigned for the Add-On will be the same as those assigned for the dRofus desktop application.
Example: "Read Only" assigned for Rooms in dRofus desktop application will the user only be able to write information to Revit Add-On from dRofus Client and not have permission to write information to dRofus desktop application from Revit Add-On.
Project Administrator Rights in dRofus is require, in order to be able to create new configurations, copy / rename / edit / delete existing configurations within the "Attribute configurations", as well as make changes within "Options".