If an open review of one of your papers is on Publons and you would like to rate it, simply:
Navigate to your publication history on Publons.
Add or import the publication in question.
Click in the “Actions” column alongside the publication in your publication history.
Click on the “Score reviews to give reviewers feedback” tab and score the review along the three axes: Clarity, Thoroughness, and Helpfulness.
That’s it! You’re done!
Note: Authors can only rate reviews that have been added to Publons.