In this tutorial, you’ll learn how to sign a secured adobe pdf:
Note: “Secured” can mean (1) it needs a password to open, or (2) it has restrictions that may block signing. If signing is blocked, you’ll need the document owner to allow it or provide the permissions password.
- Open the PDF in Adobe Acrobat.
- If prompted, enter the password to open the file.
- On the right-side pane, click Fill & Sign.
- Click Sign Yourself.
- Select your saved signature (or create one if you don’t have one).
- Click where you want to place the signature.
- Click Close to exit Fill & Sign.
- Save file.



