To request product reviews you can automate custom built email campaigns OR you can automate the Amazon Request a Review button functionality via FeedbackWhiz.
Custom Built Email Campaigns
-There is room for personalization.
-You are able to build brand awareness by displaying your logo.
-Craft an email written in your own voice that is more likely to prompt a user to review your product.
-Buyers can reply back as this is through Buyer-Seller Messaging.
-Include Attachments.
-Select and set up your buyer-selling messages in different languages
-Customize the subject line.
-Prebuilt templates provided that are compliant with Amazon's communication policies.
For set up refer to this article.
Amazon Request a Review button automation
-Compliant with Amazon's communication policies.
-Includes Buyers name.
-The message gets automatically translated to buyers preferred language.
-The requests can only be scheduled between 5 to 30 days after order delivery.
For set up, refer to this article.
*You can NOT use both methods to request reviews/feedback as Amazon enforces a ONE review/feedback request per order policy.