Sku Selector is not displaying on Product details page

Hi Team,
We have skus in Products and Added the sku- selector code as per this guide

But Still we are not seeing the sku selector in Our Store theme

Example product url : https://demoashwath--echidna.myvtex.com/french-door-refrigerator/p
Sku variants i can see in this api call
https://echidna.vtexcommercestable.com.br/api/catalog_system/pub/products/variations/1

Regards
Ashwath