How do I add a comment to an assignment submission in the Teacher app on my iOS device?
You can leave omments on student assignments. Comments can be added before or after grading a submission.
You can also add comments through Canvas DocViewer annotations.
The images in this lesson are shown for a phone display, but unless otherwise noted, tablet displays mirror the same steps.
In the Courses tab, tap the name of the course you'd like to view.
Tap the Assignments link.
Note: All assignment types can be viewed in the Assignments page, but submissions can also be viewed in the page for their respective assignment type.
Locate the assignment and tap the name of the assignment.
Tap the Need Grading status link .
Note: If you want to filter submissions by a different status, tap the Submissions link  and apply the filter in the Submissions page.
Locate the student's submission and tap the name of the student.
Tap the Comments tab.
The student's submission is shown in the Comments tab and may contain comments from the student . If the submission was submitted multiple times, each file displays as a comment.
To view multiple comments, you can adjust the height of the comment window by tapping and holding the menu bar .
To add a comment, tap the Comment field .
Enter your comment to the student . Then tap the Send icon .
Note: The Comment field displays text only and does not include the Rich Content Editor for formatting.
View your comment to the student.