This article assumes that you have already submitted your assignment via Moodle's Assignment Activity, as described in these instructions. Here's how you can return to Moodle to see your instructor's feedback on your assignment:
If you scroll down on the page for the particular assignment, you’ll see a Feedback section. You should see the grade your instructor gave you for the assignment, along with any kind of summary comment s/he entered. If your instructor added comments via Moodle, you may see an "Annotate PDF" section with a link to view the instructor's inline comments. There is also a possibility of instructor "Feedback files," in instances where the faculty member uploaded a commented version of your submitted assignment: