Yes, you can link to the URL of the TechSmith Relay videos follows the same process as other links. You can also use the Embed Code feature of Relay Wrangler to have the video play directly within Canvas.
Finding the Sharing URL and Embed Code for Relay Videos
Login to Relay Wrangler and click on the title to the video
Share: Select the ‘Presentation URL’ at the bottom of the screen and share that with the audience.
Embed: copy the Embed Code listed below by clicking and scrolling your mouse over the text area to reveal the code.