Page tree
Skip to end of metadata
Go to start of metadata

The PDF format is closed end user format that is not intended nor easy to edit directly without expensive tools, the best way to alter/edit a PDF document is to use the original Word (or other format) file used to create the PDF, make your changes there then re export to PDF again

If you do not have access to the original document then you can either try copy/paste into a new blank Word document, or for occasional use there are a number of free online tools you can use

The following 3 services work on college systems: