ACS Paragon Plus is configured for security protection to time out after 3 hours of inactivity.
When completing your review you should click the Save as Draft button located at the bottom right of the Review Form as often as need. Your changes are saved and you can even leave the Review Form and come back later to complete. Remember best practice is to save your work often when completing your review.
ACS Paragon Plus also offers the option of completing your review off-line and then attaching a Word or PDF file to the Review Form. Please remember to type Review attached in the Comments to Author box when providing your review as an attached file. Please also note that you may type your review offline and then copy and paste it into the comments box on your review form.