Slab admins can control who can create groups in their organization – allowing all users (except guests) to create new groups or requiring that any new group be requested and approved by an admin.
To change this setting:
Click your team name in the top-left corner of the sidebar
Click Team settings in the dropdown menu
Click Security on the left sidebar
Click Edit next to User groups in Permissions
Select one of the options
Click Save to apply the changes
