To create a proof of a Dropbox Paper link
Step 1
In Dropbox Paper, copy the URL at the top of the browser. Or, click the share button at the top right of the screen and select copy link:
Step 2
In PageProof, click the file dropper icon and select website URL. Paste the URL you copied from step 1 to create your proof.
Note: Dropbox requires uses to be logged out to view the link when embedded as a proof. If you see the Dropbox logo only on the proof, please ensure you’re logged out of Dropbox, then refresh your proofing screen to see the Dropbox Paper.