You can use Amazon Review sync for this purpose. It will automatically Sync it and keep syncing it. 

@Brandonelme5 Hope you are doing well. I have create Amazon Review Sync for the same purpose. It will not only import Amazon Review to your Store but also keep syncing it When more reviews are added on Amazon Page. I am available for Support as well....

HI Nelson I created an app for this purpose only check this out https://apps.shopify.com/amazon-reviews-2