I know when they had the CDs they sent, it would include a release form you could take in with you. The current gold pass I have has the photopass included. I can use the MDE app to see and subsequently download the photos. With my photos (since I only get the photos and not borders etc..) they are not distinguishable from my vacation photos. With Memory Maker (I am assuming you can add borders and such) you should get the release to take in (or what I'd do is send the release as the first photo printed).
So, in my round about reasoning, you should not have a problem taking them to a local printer like Walgreens or cvs.