At the moment there is only a general option (Infrastructure setting -> UCMDB Browser Settings) to disable notification and disable reports but no possibility to do this on a user basis.
Other fields or buttons couldn't be controlled via security settings.
Customer needs to control all buttons and fields on a user basis (like it's possible in the Admin GUI).
E.g. Reports, Notification und Settings (Email), Advanced Search.
This is needed to fullfill European law (DSGVO).
Related ER QCCR1H116487 UCMDB Browser: More granularity for rights and permissions needed