When comments (e.g. under a blog article) are subjected to workflow, the reviewer gets a preview of the comment, but can't see the context that it applies to. Specifically in moderation for Spam that's sometimes a challenge (e.g. is somebody posting irrelevant "me too" comments just to get their comments post up?)
"View Usages" under the "Preview" section shows 0 usages (likely because it's not yet approved).
As we're using this on liferay.dev, I'd appreciate to see more context - e.g. a link to the commented asset. In case of liferay.dev those are typically blog articles.