NOTE: The following requires a Connect or Connect with Insight subscription (not available for Connect Fonts only subscriptions)
Global permissions allow an administrator to manage user access at a subscription wide scale.
Located in Admin>Users>Global Permissions:
Personal Libraries
Control all users access to personal libraries. When turned off, you can grant specific users this permission (see Connect Administration: Adding, Modifying and Removing users)
Subscription Fonts
Control user access to the Google Fonts Third Party Library. When turned off, you can grant specific users this permission
Monotype Fonts
Controls access to the Monotype Fonts Library. When turned off, you can grant specific users this permission