Using our WooCommerce Points and Rewards extension you can set how many reward points you want to set for a specific amount of purchases. You can set this threshold reward point per purchase as per your convenience i.e. for per product, category or globally. It gives you a control over the reward point/loyalty point management using WooCommerce Points and Rewards plugin.

Demo: https://codecanyon.net/item/woocommerce-points-and-rewards-wordpress-plugin/21945963