You can access and view your grades when available on Canvas by going to Engage and logging in. Once logged into Engage, click on the "Canvas" Tile.
From there use the following steps:
1) Click on Courses.
2) Click the course for which you want to view your grades.
3) Once you have accessed the course, scroll down on the left hand side, under Home until you see Grades.
3) Click on Grades. Your grades will only be available once your professor has released them.
This information is also available in the Canvas Student Guide.