You'll probably have to wait to use modern comments in PowerPoint

[Windows Central]

Modern comments greatly improve collaboration within Microsoft PowerPoint.

[h=2]What you need to know[/h]

• Microsoft PowerPoint will soon support modern comments for business and enterprise users.
• Modern comments allow you to anchor comments to text and objects.
• The feature also brings improved @ mentions and the ability to mark comments as resolved.

Microsoft PowerPoint is gaining support for modern comments. The new feature makes it much easier to collaborate with people, and it supports anchoring comments to objects and text. It also brings improved @ mentions to the presentation app.

Full story from the WindowsCentral blog...