Lets users select and copy the contents of a PDF. Prevents users from printing the document. You cannot add passwords to a signed or certified document. If the PDF is secured with a server-based security policy, only the policy author or a server administrator can change it. You can remove security from an open PDF if you have the permissions to do so. Select an Acrobat version from the Compatibility menu. Lets users edit the document, create and fill in form fields, and add comments and digital signatures. Lets users add comments and digital signatures, and fill in forms. Lets users fill in forms and add digital signatures. Lets users insert, delete, and rotate pages, and create bookmarks and thumbnails. Prevents users from making any changes to the document that are listed in the Changes Allowed menu, such as filling in form fields and adding comments. Select what the user can change from the Changes Allowed menu. Lets users print at any resolution, directing high-quality vector output to PostScript and other printers that support advanced high-quality printing features. Printing may be slower because each page is printed as a bitmap image. Select what the user can print from the Printing Allowed menu.
Type the password in the corresponding field.
However, if third-party products do not support these settings, document recipients are able to bypass some or all of the restrictions you set. All Adobe products enforce the restrictions set by the permissions password. If you forget a password, you cannot recover it from the PDF.
To open a restricted PDF in these applications, the user must enter the permissions password. Users cannot change these restrictions unless you give them password. You can set the restrictions you want to apply to the PDF.
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