Yes, you can do that by going to that file in the Folder (read: Data Room), clicking it, and then going to the 'Stats and Visits' tab to look at who viewed the video, however we don't have the ability yet to show you how much time someone spent on viewing it. That ability is currently only available for images and presentations (PDFs). Here is an Arcade Video tutorial: https://app.arcade.software/share/dM9HtFrr1DO8M2chMG4X