I signed up for Apple TV on my IPad now how can I watch it on my Samsung TV?

This is a user forum so please be patient as everyone here is a volunteer and may not be able to respond within your timeframe.

See if your TV is supported

Apple TV app - Devices - Apple (CA)

If it is then look at these articles if you need help setting it up

Set up the Apple TV app on your smart TV or streaming device - Apple Support

https://www.samsung.com/us/support/answer/ANS00082624/

Is your Samsung TV model listed on Apple TV app-supported devices - Apple ?