To insert a link to a document that is uploaded in your Document Library in PageBuilder:
  1. Insert the text or item that you would like to be the link.
  2. Highlight the text or click the item.
  3. Select the "chain link" or insert/edit url button in the WYSIWYG.
  4. Select Browse Links.
  5. Select Document Library and select the document you would like to include.
  6. This will create a link and you will then be able to insert.