Also, the new Chromium-based Edge browser supports Chrome-based extensions, so you can search for a PDF editing extension on the Edge Add-ons page and install one to edit PDF in Edge.

Microsoft and Adobe are teaming up to build Adobe Acrobat into the Edge web browser. The Adobe Acrobat PDF engine will replace Edge’s current PDF reader over the course of the next two years ...

Microsoft and Adobe have partnered to integrate the Adobe Acrobat PDF rendering engine directly into the Edge browser, replacing the existing PDF engine.

The basic PDF reader built into Microsoft Edge is getting replaced by Adobe Acrobat’s more feature-rich engine.