In the Variation Monster plugin, the “Show SKU” option within the Variation List settings allows you to display the SKU (Stock Keeping Unit) for each product variation. When enabled, a dedicated section in the variation list will show the unique SKU of each variation, helping store owners and customers identify specific items easily. If you prefer a cleaner look or don’t need SKU visibility, you can disable this option to hide it from this list section.

Before enabling it, it shows like the image below

After enabling it, it shows like the image below