Here at Acrobat Answer we are users of Acrobat / Adobe Reader / PDF assisting one another.
So, participants are not involved in the operation of any of Adobe's online subscription services.
You could post to the ExportPDF dedicated user-2-user forum.
https://forums.adobe.com/community/exportpdf
Or, you could contact the service related support provided by Adobe.
http://helpx.adobe.com/contact.html
Be well...