This could be as simple as complete/incomplete, or more complex where the completion of peer reviews was part of a grading rubric for the assignment. But it would be nice if there was something in the grade book, some academic weight given to participating in these reviews, that doesn't involve manually looking up peer reviews outside of the grade book.
This idea was considered when developing our product plan for Q2 2019 and is not expected to influence development within Canvas at this time.
This idea will remain open for vote.
If this idea is in the top 10% by vote next cycle it will be reconsidered.
Read more about the feature idea process: