If you've completed everything up through step 5 of the guide you linked to, then an Adobe Partner Exchange rep will contact you and walk you through the rest of the process. They can help you test and ensure that you've set everything up correctly. Unfortunately, there is a bit of queue at the moment and it will probably be a few weeks before they are able to get to your project. So you may be stuck on step 5 for a bit until your project reaches the top of the queue.
To integrate data from your DMP in Adobe Audience Manger. The process is divided in two parts technical setup, some of the steps you have already completed. Secondly, the contractual setup which comprises of setting up accounts and listing the policies and practices. Essentially the portion you need advice upon. We would recommend going through the contractual work outlined in the Adobe Exchange Program.