Displaying authors on products is available on the Regular Plan.
Add an App Block or App Embed to the product template in the theme editor.
Open "Products" from the app menu
Select the product(s) you want to apply an author to (multiple selections allowed)
Click "Apply author"
Choose an author from the dropdown
Click "Apply"
Select the product(s) in "Products"
Click "Remove author"
You can filter by publication status (Active, Draft, Archived) and title, and sort by created date or updated date.
Only one author can be linked per product.