Set up and imported several roles from Active Directory. When going to Settings -> Security -> Account Management and clicking the Roles tab the new Roles are visible, however, if you go to a newly created target and modify the scoping, these newly created roles are not present.
ITMS 8.x
The Roles lacked the necessary permissions.
In the IT Management (ITMS) Console, go to Settings>Security>Security Role Manager. You will see the following:
Now the "Professional Services" Role will appear: