The script is:
Go to the ‘File tab / Info’
Click Protect Document’ drop-down list
Choose ‘Restrict Editing’
Click ‘Marked as Final’
Let readers know the document is final.
This document has been marked as final to indicate that editing is complete and that this is the final version of the document.
When a document is marked as final, the status property is set to “Final” and typing, editing commands, and proofing marks are turned off. You can recognize that a document is marked as final when the Mark As Final icon displays in the status bar.
Ctrl + 1 / 4: Zoom It