You can create an online assignment that allows students to submit a file that they first annotate using the Quercus DocViewer annotation tools.
Instructions for Creating an Annotation Assignment
To create an Annotation Assignment you will need to select the Student Annotation option when creating an Online Assignment in Quercus.
Students can access Annotation Assignments from the Assignment section in the Quercus course. Instructions for students completing annotation Assignments can be found at the link below.
https://library.utm.utoronto.ca/students/canvas/submitting-assignments#annotation-assignment
Additional information on creating an Annotation Assignment in Quercus can be found under the Select Online Entry Options" section on the Canvas Community - How do I create an online assignment? page found at the link provided below.
https://community.canvaslms.com/t5/Instructor-Guide/How-do-I-create-an-online-assignment/ta-p/950