Open page
Place cursor in content edit box, where you want PDF file to be on page.
Choose the Add Media Icon
Upload files
Select files
Browse your computer to find the PDF file (c: desktop:)
Note: Maximum upload file size: 48MB
Click on file name
Choose Open ( files uploads to the Media Library)
Edit the Title Name on top right of screen (what is in this box will appear on page)
Choose Insert
Publish or Update page