If you use Speedgrader in Canvas to mark student assignments, remember that some students may not know where to find your feedback. Here is a tutorial to help you see instructor feedback from a student view. Feel free to share the link to the video if needed: https://youtu.be/97QYgFKw7RM

Professors can also tell whether a student has viewed the feedback from the Speedgrader, as shown below.

Feedback Viewed