As you know, the product variation templates are looking a little bit different as the normal single product template.
The in stock specification is shown under the price on the variations, not in the near of the add-to-cart button as normal.
How can I change the position/order of the in stock? I want to show the in stock after the add-to-cart-button.
Read more here: Woocommerce product variations: Change position of „in stock“