Canvas allows you to add annotations to PDF files for assignment submissions.
The images in this lesson are shown for a phone display, but unless otherwise noted, tablet displays mirror the same steps.
In the Dashboard, tap the name of the course you'd like to view.
Tap the Assignments link.
Note: You may need to swipe your screen to view Assignments in the menu.
Tap the assignment you want to open.
Tap the file link in the assignment's Description field.
Tap the Edit icon.
On the toolbar you can manage your annotations.
To format text, tap and hold the Text Formatting icon .
To add a note, tap the Note icon .
To add drawings, tap and hold the Drawing icon .
To move the toolbar, tap and hold the drag handle , and move it to the new location. The toolbar can be relocated to either side of the screen.
To return to the previous screen, tap the Close icon .
The Text Format option allows you to highlight  and strikethrough  text.
The Note option allows you to add a note or comment . The Free Text option allows you to type text .
The Ink option allows you to draw on the document . The Rectangle option allows you to add a rectangle to a section of the document .
When you are finished adding annotations, tap the Options icon.
Tap the Submit Assignment link.
When you are ready to submit your assignment, tap the Turn In link.