You can stream CBS All Access:
If you'd like to stream CBS All Access on cbs.com or the CBS app, simply visit http://www.cbs.com/apple on your web browser to start the process.
How do I subscribe to the CBS All Access channel on Apple TV channels?
Why should I verify my subscription on cbs.com? I’m already signed into my CBS All Access channel subscription in the Apple TV app.
I’ve subscribed to CBS All Access channel in the Apple TV app. On which devices and platforms can I stream?
I'm an Apple TV Channels subscriber. Do I have to go through verification every time I want to use CBS All Access?