get https://api.worklio.com/wep/companies//onboarding/start//settings/cca
This endpoint determines whether the onboarding process is visible to all CCAs or only to a specific list of client users.
If the onboarding is not limited by access, all current and future CCAs will have access,
and the list of user IDs will be null. If access is limited, only the explicitly listed client user IDs will be returned.