First of all, check the compatibility of your Active Roles with your ER version
For Version 3.2.2:
https://support.quest.com/technical-documents/enterprise-reporter/3.2.2/release-notes/2#TOPIC-1493714
For Version 3.5:
https://support.quest.com/technical-documents/enterprise-reporter/3.5/release-notes/2#TOPIC-1416100
The way to configure can be found below
For Version 3.2.2:
https://support.quest.com/technical-documents/enterprise-reporter/3.2.2/configuration-manager-user-guide/41#TOPIC-1493531
For Version 3.5:
https://support.quest.com/technical-documents/enterprise-reporter/3.5/configuration-manager-user-guide/15#TOPIC-1901591