Can I check how recommendations for a particular product are built?

Also Bought provides a Recommendation Explorer which shows the different products which are displayed as the recommendations for one particular product.

In order to access the 'Recommendation Explorer', go to the app preferences page and click on the ' Explore recommendations' button under the 'Recommendations' section:

After selecting a product, you will see the different kinds of recommendations available for that product (manual, automatic, global and random):

If a recommendation is not visible (because it is not published on the online store or if it is out-of-stock, for example), it will be displayed with a different style and with no position number: