On your created custom report's Editor. You will see multiple tabs [Editor, Audience, Schedules, Access]. To give access to a group of users or specified users to a certain reports:
Step 1 : Go to your Custom Report > Edit
Step 2 : Click Audience. You can then select a system role, cohort or manually selected users by clicking the + against who you want and then save changes.
Step 3 : Verify the actual users from the Access tab.
If you have chosen the system role of Manager, then the Access tab will show you the names of any Managers you have on your site. Setup is saved automatically and you can close the Editor once you finished.
