Normally putting the URL of a pdf on a line by itself doesn’t display the pdf on a WordPress page, and if you use the add media button and paste the URL for the pdf into the URL field, you get a link that will open the pdf, but the pdf does not display on the page itself,Read More
Jetpack Photon should help
I recommend Jetpack-Photon module (deactivate all the other Jetpack modules you don’t use). Photon is an image-only CDN solution using Automatic’s servers. All your images are uploaded to their servers the next time the image is served after you activate Photon.
Subsequently the images are servedRead More