Ensure every policy and procedure is recorded and dated — create a new library template, add current policy PDFs with …
Open the PDF file you want to restrict in Adobe Acrobat Pro.
Select File from the top menu, then choose Properties.
In the Document Properties window, click the Security tab.
From the Security Method dropdown, select Password Security.
In the Password Security Settings dialog, check the option to restrict editing and printing of the document.
Set a permissions password when prompted.
CautionIf you forget this password, you cannot change or remove the restrictions later.
Choose the specific restrictions you want to apply (e.g., disallow printing, disallow editing, disallow copying).
Click OK to confirm your settings and close the dialog.
Click OK again in the Document Properties window.
Save the PDF to apply the new permissions.
Best practiceTest your restricted PDF in a different PDF reader or with a different user account to confirm the permissions are enforced.
You can review or change these restrictions later by reopening the Document Properties and returning to the Security tab.
This runs in the Acrobat app - there is no separate API for this task.
'Printing Allowed: None' means no one can print the document at all. 'Low (150 dpi)' means people can print, but only at a low quality. This is useful if you want to share information but prevent high-quality reproductions, which can protect your content from being easily copied or misused.
The owner password acts as a key to unlock the restrictions you set. It ensures that only the person who set the controls, or someone they trust, can change or remove them. This keeps your document secure and prevents unauthorized changes.
Yes, if you set 'Changes Allowed' to permit form filling, people can still fill out forms. The 'Changes Allowed' setting has different options, and 'form fill' is one of them. You can choose to allow only form filling while still restricting other edits like inserting or deleting pages.