WooCommerce archives (shop, categories, and tag pages) don’t display short descriptions by default. If you want this feature, customize your theme by adding this line of code.
eCommerce
Always Display Star Ratings In WooCommerce (Even With No Reviews)
By default, WooCommerce will only show star ratings for products with ratings greater than zero. That means star ratings are not displayed until a product has at least one review. If you’d rather always have them displayed, use the code in this post.