To access the N-sight RMM app, the user must have Mobile Apps permissions enabled.

Permission Description
Mobile Apps Block or allow users to login to the App. By default this is enabled for the Standard, Administrator and Superuser roles; and disabled for the Client role.
Private Notes Block or allow users to view Private (Technical) Notes in the App. Use this to stop private notes from showing in the app, for example if you want to give access to an end-client user.

Except for Private Check Notes and Take Control, other features in the app (e.g. Clearing Checks) are always enabled, irrespective of their permissions in the main All Devices view.

Client access

The app is Client Group aware, so only those devices under Client(s) assigned to the user are displayed in the app. By default, Mobile Apps permissions are disabled for Client role users.