The latest Canary build of Microsoft Edge has received a full-screen mode optimized for viewing PDF files. The mode hides even the PDF toolbar. There are other features like document properties too.
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, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results