Troubleshooting

Cancel a Subscription or Request a Refund
How to Request a Refund for an App Store Subscription
How to Cancel App Store Subscription on iPad
How can I migrate my documents from PDF Reader iPad app to PDF Reader universal app?
What is the difference between the PDF Reader iOS and other versions (Android, Mac, and Windows 10)?
What is the difference between a free membership and a Document 365 subscription?
Where and how to purchase a Document 365 subscription?
How to migrate my documents from PDF Reader to Desktop?
There is no PDF Reader in the "Open in" dialogue
KDAN PDF Unable to Access Advanced Features After Upgrading on iPad
PDF Reader app freezes
Files can not be opened
Where is the output file after conversion?
My documents are locked by password with no reasons
Unable to update PDF Reader
Annotations are not visible when using a third party app