Upload PDFs
1) You can upload PDFs by using the attachments option from the toolbar.
2) Viewers will be able to download the PDF.
Embed Google Drive PDFs
1) Open the PDF in Google Drive, then click Open in new window
2) Click Embed item
3) Copy the link in the modal starting with https://...
4) In zeroheight, choose the Embed option from the toolbar
5) Paste the URL from Google. You can resize the frame by dragging the handles to the bottom and right of the embed block.