I have two reports Report A and Report B and two user logins User A and User B. User A should only be able to see the Report A and User B should be able to see the Report B. Please let me know the best approach to achieve the same.
If you are using Adobe Campaign classic version (v6/v7), users must be Adobe Campaign users (operators).
You can set Privileges restriction in the Display tab of your report, based on specific operators or operator groups (better use):