Business Manager restricted? You won’t be able to use it with MyAdForce for Facebook/Meta. You can either appeal the restriction or use a different Business Manager.
Related: How to create a complete Business Manager in 30 minutes
If you don’t see a Business Manager in the dropdown, it means your Facebook profile doesn’t have access to that Business Manager.
How to fix it:
Add the Facebook profile connected to MyAdForce for Facebook as an admin of your Business Manager. (Guide: How to add a profile to a Facebook Business Manager)
Go back to MyAdForce for Facebook and hard refresh the page (Windows: Ctrl + Shift + R / Mac: Cmd + Shift + R).