Cannot use token auth, which is how service accounts auth to perform things with AAP.
The intent is to allow Terraform using the official AAP module to talk to AAP with a token.

TF Provider: https://registry.terraform.io/providers/ansible/aap/latest
"This provider is maintained internally by Red Hat's Ansible Automation Platform Provider team."
The provider only supports Username/Password authentication and not token as outlined in the below git issue.
https://github.com/ansible/terraform-provider-aap/issues/39