Advance product field not showing.

Hello, support.
I have installed your plugin and create a Field Group “product page”.
it’s showing on the dashboard product edit section. See image:
https://assettokens.trade/wp-content/uploads/2021/08/screencapture-assettokens-trade-wp-admin-post-php-2021-08-09-23_40_03.png

but after publish the product it’s not showing on single product page. See here :https://assettokens.trade/product/okay4321/
why it’s not showing on single product page?
can you please help me?
Thanks

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