Hello @ErinF
Greetings!
enable your "security admin" role and then grant role to the group
after granting access please logout and login once.
If you have contextual security role management plugin, apparently that's causing issue on inheriting roles.
refer below threads where similar question answered:
https://www.servicenow.com/community/developer-forum/why-are-group-members-not-inheriting-the-role-a...
https://www.servicenow.com/community/developer-forum/inherited-role/m-p/2039330/page/2
Please hit the thumb and Mark as correct based on Impact!!
Kind Regards,
Ravi Chandra
