Can I see shows subscribed to through Apple TV once I cance Apple TV subscriptions?

I am cancelling Apple TV. It will end the last week in October. I have an subscription for Acorn through APple TV which doesn’t end until the second week in November. Once my Apple TV subscription ends how will I be able to watch Acorn until that subscription ends? When I go to Acorn and try to sign in I get message that says my it doesn’t have an account for me. I’m assuming that is because I went through Apple TV.