Thanks for the follow-up, I have contacted Pinterest and this is their response:
Thanks for reaching out to us!
It seems that you have a WooCommerce Plugin specific question/issue. Pinterest will support issues within the Pinterest UI, any issues happening in within WooCommerce or WordPress should be addressed to the WooCommerce Support team. Please reach out to them at https://woocommerce.com/contact-us/. If your question is not related to WooCommerce, please reply to this automated email and our team will get back to you shortly!