You can find this information in Turnitin Feedback Studio.
1. Click the circled i icon in the Submission Tools section of the product toolbar
2. A large box will appear on the screen, showing all of the information we have on this paper, such as its submission date, last graded date, and word count.
The Submission Info box enables you to keep track of the number of submissions made by a student. To allow more than one submission, you must opt to allow resubmissions by selecting immediately (can overwrite reports until due date) for originality report generation in your assignment settings. The submission ID and date will change for each new submission made to the assignment.