When you are ready to make something new, create a new document and select the Page Library. All the pages from the document(s) in the Page Library will be available to use.
Using a Page Library
Select 'Create Document' from the main menu, followed by 'TigerDesigner'.
Create a new document.
Select the Page Library that you would like to use from the 'Page Library' drop-down list.
Select 'Create Version'.
Your new document will be created and all of the pages from all of the documents in the chosen Page Library will be available for you to use!
Read the Page Libraries Guide - https://view.pagetiger.com/TigerLabs/page-libraries