Did you know you can restrict access on reports in Plus2, to certain users in a multisite environment?
For example if you do not wish users to view reports across other centres. It might be beneficial to ‘only’ allow staff access to their current centre (site).
When they go to run a report macro or even configure a report from scratch, the only site available to them would be the site they are logged in at. (i.e. The Current Site)
To do this go to Configuration-system-User groups-

Find the specific user group i.e. Supervisor & Duty Manager

On the access level tab scroll to the Reports section-
Leave only Current Site access level switched on, but switch off both the my sites and other sites access level.
Then when the supervisor or receptionist goes to run the report macro only the current site is available (The ellipsis box is greyed out in this example)
Please note: it might be an idea to check you also have switch off the restrict multi site configuration & Restrict multi site look ups; access level, within the user group. (As this will stop the user having access to change sites and to look at multisite configuration look up menus).
Give it a try!