Click the "Tools" pane then the "Protection" panel in Adobe Acrobat. Choose "Encrypt," then click the option to "Encrypt With Password." From the Permissions pane, you can check boxes that will ...
To protect your PDF file against copying and printing on Adobe Acrobat Pro DC: Open a file in Acrobat and choose Tools > Protect. Select whether you want to restrict editing with a password or encrypt ...
iLovePDF brings different PDF tools to sign PDF documents, edit PDF, convert PDF to PDF/A, Excel, Word, reorder or rearrange PDF pages, and more. Among those tools, a Protect PDF tool is also there ...