Hi TiledWeirKey,
We appreciate your feedback on the PDF experience in the new Microsoft Edge, and I'm happy to provide an update on the features you mentioned!
Table of contents is now available, and with that update we've also improved scrolling for larger documents. Improvements to note-taking/annotation are on the way, with new note-taking features available now for testing on our Canary and Dev Insider channels. The two-page PDF view is planned as well.
We’re constantly adding more PDF features, so you can go here to check out our PDF product roadmap.
Keep the feedback coming, and let me know if you have any additional questions or are looking for a feature not covered in the roadmap!
-Alex