If you have ever wanted to find out what Security settings are present, what the Document Info General settings are, or even how the document will load up, then there's a quick way to get to this information rather than going through the menus.
On the Far Right Hand Side of the Document Window, above the Document Scroll Bar you will find a small black filled triangle pointing to the right, click this to reveal a submenu, it's here that you will find four of the most commonly used Document Info menus:
Preferences (Open Info)
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OK, so you want to stamp your document. Maybe you need to give reviewers some advice about the document's status or sensitivity. This tip from author Ted Padova demonstrates how to add stamps with the Stamp Tool along with related comments.