Introduction
There are various different access permissions that can be granted to a User or a Group of users via a system of roles. These permissions define access to the Admin Center, access to application data and access to CAST Imaging UI features. You should therefore define these roles so that your users can access the data they require.
Process
Login to CAST Imaging with a user that has been granted the ADMIN role (for example the default "admin" user if you are using local authentication) and click the settings icon:
You can find out more about this in Admin Center - Users panel.