You can display the Make an Offer button directly on your collection pages for any products that meet the conditions of a specific rule. When this option is enabled, customers browsing your collections will see the button on applicable products, allowing them to make offers without having to visit the individual product page.
In the Make an Offer app, click Rules in the navigation menu.
Click the rule you want to edit. If you don’t have an rule set up, click Create rule.
Under Display options check Enable button on collection pages.
Click Save.