Upload the document to the media library the same way as you would an image
- MEDIA > ADD NEW > drag and drop the file
- Once uploaded click on EDIT
- When the edit media screen appears, copy the complete file url as shown below.
Go to the page you want to place the link
- Highlight the text (or select the graphic) you want to add the link to
- Click the INSERT/EDIT LINK icon on the toolbar
- Paste the url that you copied
- Click ADD LINK and you are all done
