Some inline images in comments can be shown correctly on Confluence Cloud pages after migrating from the Confluence server or DC to Cloud.
The error message shown is "Click to view content that can't display inline as it was created in a legacy version of Confluence"
The related comments can't be edited because "it contains content created in a legacy version of Confluence."

Suggestion:
Please support inline images in the comments to be viewable on Confluence Cloud page, and the comment can be editable.