Do you have example businesses for testing auto-approve, auto-deny, and review outcomes?

Yes, we provide a list of pre-defined set cases that work within our sandbox environment, and you can use during the implementation development: https://docs.google.com/spreadsheets/d/1venqT76OMHnQmO-w6zaMQzZ16rRv3KB1d_aWVBAn5sU/edit?gid=0#gid=0