Hi Leonardr,
Sorry to hear about the trouble.
Looking at your account information, we see that you are a subscriber of Adobe Export PDF.
Adobe Export PDF https://helpx.adobe.com/document-cloud/help/using-exportpdf.html is an online service that you can access online via- https://cloud.acrobat.com/exportpdf
You can also use the services through free desktop version of Adobe Reader- Adobe Acrobat Reader DC Install for all versions
You just need to “Sign In” using the email (Adobe ID) under which you have subscription registered.
For any troubleshooting, refer to- https://forums.adobe.com/docs/DOC-8841
For the "Document Cloud Services" the support is only available on forums. This is the reason you have not been able to reach out to either chat support or any support contact number. The contact support links Contact Customer Care directs you to forum support.
Please try the solution provided above and let us know if it still doesn't work.
Regards,
Akanchha