In this video tutorial, I got a message from Anjalli Pawar about disabling the Submit All on the majority of slides. Not a complicated solution but I think this accomplishes what Anjalli was looking. At least I hope so. In either case, feel free to use this approach to have only one final submit button at the end of your quiz but still can move about the exam freely.
The 2019 Adobe eLearning Conference is scheduled for Wednesday, March 13th, 2019 at the Renaissance Washington, DC Downtown Hotel on 999 Ninth Street NW, Washington DC, 20001. The conference itself is complimentary (as in FREE!).