There is no option to mark product as bestselling because bestselling products depend on number of sales in WooCommerce.
To make product featured follow the steps described here https://www.modernmarketingpartners.com/2015/01/19/set-featured-products-woocommerce/
To make sale product just add the sale price for your product in the product settings next to the regular price field.
Recently viewed products based on visitor browser cookies and display products you recently visited. There is no special option to mark the product as recently viewed.