PageManager offers you facilities to manage your documents. Using PageManager you can create, remove, insert and replace pages from within files. This functionality is similar to the Insert, Extract, Delete and Replace options within standard Acrobat but with additional functionality.
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.