When adding an image annotation or a stamp, when saving, the stamp shows Draft instead of the image

The issue is that image is lost and not serialized on save. To avoid that, make sure you convert the image to a dataURL.

annotation.ImageData = document.getElementById("myCanvas").toDataURL();

Hello, I’m Ron, an automated tech support bot :robot:

While you wait for one of our customer support representatives to get back to you, please check out some of these documentation pages: