Q:
How to Remove Password and Permission on PDF?
A:

1. Tap Security    on the sidebar.

2. Choose Remove Security –> Add Files, select 1 or more encrypted PDF files.

3. Choose an Output Folder.

4. Tap Remove Password, then your PDF files have been decrypted, you don’t need to enter any passwords to reach your PDF files.

5. If you want to remove one of the added PDF files, click Remove, if you want to remove all added files, click Clear.