Setting Screen Lock Time

All my users have their screen savers set for five minutes. My users would like it to be longer, but the system settings under lock screen is grayed out and report that "This setting has been configured by a profile." I've gone into my Apple Business Essentials account settings, and while I see Lock Screen and I don't see screen saver. But in any case, I don't see a place to change the default time or to allow the user to change the setting. I want all my users to have a screen saver, but I don't care as much about the time setting.

Thank you