Anyone you share the link with will be able to see your changes with a simple refresh of the page, no rendering or waiting required.
Follow these steps to share a preview link to your video.
First be sure to save a draft of your video.
Then go to your Account page and click the Share button next to your draft.
Copy the sharing link. If you're a Waymark Partner you can select the white-labeled option.
Paste the URL into an email or message app.