How to get You Tube TV as TV provider on iPad?

I don’t think this is necessary. I currently use DirecTV which allows me to access me to access apps such as Fox Nation, HBO Max, and Hulu

I’ll be switching to YouTube TV soon. YouTube TV has access to these other apps already. Besides, I am not aware a YouTube TV supports this on iOS devices

As far as I know, you will need to subsccribe:

https://tv.youtube.com/welcome/?gclid=EAIaIQobChMI6OCQlsHh_wIV1gutBh2I7ggzEAAYASAAEgIciPD_BwE&gclsrc=aw.ds&utm_servlet=prod&zipcode=98682