Hey @jesshall, this is not currently possible. The best way to track document views is by attaching the document as a link. You can check out the process here: How to send tracked links in an email
You might also be interested to learn about the Documents tool available with the Sales Pro upgrade. Documents allows you to build a library of up-to-date sales content and documents for your entire team. Get instant alerts when prospects interact with your content and see aggregate metrics on the content's performance. Here's how it works: An overview of Documents.
I hope the information above is of help!
