Yes, there is plenty of room even in small images to post reviews and comments. You can zoom up to 400%, making commenting easy.
From the dashboard, double click on the uploaded image to launch the proofing window. To add a comment, click on the annotation tools at the bottom left. Add an annotation, box, arrow or draw on the image and type your comment.
Clicking on the comment box in the image, highlights the comment in the right bar that includes the name of the reviewer and time when the comment was made.
