Using the below field you can add the email of the person who you want to invite for review.If invitation is completed then invitation details are shown on below table. Cancel option will appear when mouse over the invitation list. Invitation status is also shows in this table like waiting, done or cancel. If review is on processing status will be waiting. If review is completed status become done. If you click on the cancel button the re invitation send to that user will get canceled and the status of that invitation is on cancel state. This table shows the date on when you send the invitation. When ever the status become done you can see the star rating and a link to view the review.