As per the issue description mentioned above, you are facing issue when trying to convert pdf to word, is that correct?
As we have checked the account details using the email address you are logged into the forums, you have subscription for Acrobat Pro DC and Export PDF which is currently in inactive state.
Are you using Acrobat DC or Adobe Reader application to export PDF? If using Reader, try exporting Acrobat using Tools > Export PDF option and check if that works. You may refer to this help document for more info: Convert or export PDFs to other file formats, Adobe Acrobat
Let us know if you need any help.