Non staff member is feature in our Sales CRM which allows you to have member like contractor worker to work on projects.
Some area of the CRM is disabled for non staff members.
Here is a list of the disabled features for non staff member.
1. Announcements
2. Newsfeed wall
3. Leads
4. Support – Default is NO you can adjust this for your needs at Setup->Settings->Tickets
5. Public Calendar Events
6. Google Calendar Events
7. Goals.
You can add if you want other Permissions to this staff member like Invoice [VIEW] permission and this staff member will be able to access.
If you need to set user as non staff member navigate to Setup->Staff open the user and check the checkbox field Not Staff Member