To see alt text in a completed PDF document, you'll need to use a screen reading app, which is an accessibility tool for visually impaired users. PDF documents should contain alt text for each image, ...

Screen readers can announce alternative text (or alt text) for images to help ensure that all users can have an equivalent experience. When you add an image to a document, it is your responsibility to ...

If you have not previously entered alt text correctly for images on your site, each time you open Canvas, choose one or two pages within your Canvas site and update the alternative text for those ...