Hi NatGrcrOrig,
Thank you for using the Apple Support Communities! We understand you are unable to access your YouTube TV account on your iPad. We are able to share some guidance that can help.
We were able to find some information to share with you regarding YouTube TV on your iOS device. Check out the 'iPhone & iPad' section here: Get started with YouTube TV - Computer - YouTube TV Help. It also links out to this page, which shares some troubleshooting steps that could help with your issue: Troubleshoot account sign in issues - YouTube TV Help.
If you need additional help, contact YouTube TV Support: YouTube TV Help.
Best regards.