Final answer:
When a comment is resolved in Word 2019, it becomes grayed out and is still visible but not accessible.
Step-by-step explanation:
When a comment is resolved in Word 2019, it gets grayed out and is still visible but not accessible. This means that you can see the comment, but you cannot interact with it or make any changes to it. The purpose of resolving a comment is to indicate that it has been addressed or considered in the document, and it is no longer necessary to make any further changes or revisions based on that comment.