The Similarity Report shows you how of a student submission matches other submissions and sources. It also checks for AI generated language. To view a report click on the "Grades" tab in the blue navbar.

Find the assignment and click on a submission you'd like to review. 

Click on the rectangle with a percentage in it to view the report.

Use the red tools on the right side of the page to look at flags, the match overview, and links to sources that were found in the submission. You can use the red "Filters and Settings" button to exclude things like quotes and the bibliography of an essay.

Click on the blue "AI" button to view the text Turnitin identifies as possibly generated by AI sources.