The Royalties Portal includes a self-service tool for managing and updating the users associated with your organization's account.
Any user with administrative permissions on your organization's account can manage users in the Administration Tab.
Make sure to click on "Update" once you have added the user information.
Once a user is added, have them create an account and log in following the instructions in this article:
Creating a Log In for the AMA Royalty Portal
Check and uncheck the permissions boxes next to a user.
NOTE: Make sure to click on "Update" in order to save the changes you have made.