Creating a proof of your Adobe XD screen design is as simple as copying and pasting a url link.
To create an Adobe XD proof
In Adobe XD, click the Share option in the top-left of your screen design project.
On the left, change the View Setting to Presentation with Link Access on Anyone with the link and click Create Link:
Copy the link using the link icon.
In PageProof, click the file dropper icon on your dashboard and click the link icon. Paste the URL link you copied and follow the usual step/s to send your proof.