Sorry for the delay in response.
We have looked into your account and found that you have subscribed for the Export PDF service. when you say that its not working for you, then what does it means? Is it not letting you to do the conversion or not recognizing that you are a subscriber?
1- Export PDF is an online service that you can use online via: Adobe Document Cloud
2- You can also use the services through free desktop version of Adobe Acrobat Reader DC: Adobe Acrobat Reader DC Install for all versions
3- “Sign In” using the email (Adobe ID) under which you have subscription registered.
4- For detailed description of how to use the Export PDF service, you may refer to- Using Adobe Export PDF
You may refer to the following link for any troubleshooting: Troubleshooting Create PDF, Export PDF, Adobe Send, Fill & Sign … services(PDFPack or Document Cloud...
Let us know if it still doesn't work.