It’s unclear from the screenshot what request is being made. If the product is published (to the app that owns the storefront access token), please use a storefront access token from the same app with the below curl request. Alternatively, please reach out through this link using an account with permissions to the app & shop, and provide the team with examples of the exact request being made including the product ID.
curl -L 'https://SHOP-NAME.myshopify.com/api/2023-04/graphql.json' \
-H 'Content-Type: application/json' \
-H 'X-Shopify-Storefront-Access-Token: {STOREFRONT-ACCESS-TOKEN-FROM-SAME-APP}' \
-d '{"query":"{ product (id: \"gid://shopify/Product/123\"){ title } } " }'