Using Magento 2 Who Bought This Also Bought extension is used to display some product suggestions on the customer page, so they know more specifically about store trending and most selling products to boost sales. And Magento 2 customers also displayed some product suggestions in the form of 'customers who bought this also bought.
1. Displays other information with suggested products.
2. Automatically displays related products based on customers' purchase history.
3. Easy to customize the layout, style of page, etc.
4. Will help customer to select product easily from the suggested product list.
5. Increase number of orders.
6. Increased order value too.