Hi there, @debrasledd.
Thank you for posting in the Community. Since Mileo is a third-party app, I recommend contacting their Customer Support to address your concern about application integration or update the settings in your account.
Meanwhile, I've attached some articles you can use to record your bill payment, like apply for partial credits and pay your bills through checks, as well as some tutorials to learn the software:
If you have additional questions or concerns while working in QBO, leave a comment below. I’ll be happy to help you out.