By default students can see their Total column in Canvas. That means that Canvas calculates the students Total based on the marks entered throughout the semester. Some people found that this can generate questions from students, specially if they missed an assignment.
If you want, you can hide the students Totals (Final Grade) from their gradebook, while still displaying the individual assignments marks/score. To enable this, go to your course “Settings”, “Course details”. At the bottom of the page, click “More options”. Out of the options offered, you have to select “Hide totals in student grades summary” and then “Update course details” to save your changes.

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