Your review and replies are misleading – at least quote the whole thing:
Better Schema product markup for WooCommerce (Pro version):
The WooCommerce plugin by Automattic offers incomplete Schema markup for Google’s Product Rich Results requirements, where-as the WPSSO JSON Pro add-on includes complete and correct markup for Google’s Product Rich Results, with additional product images, product variations, product attributes (brand, color, condition, EAN, dimensions, GTIN-8/12/13/14, ISBN, material, MPN, size, SKU, weight, etc), product reviews, product ratings, sale start / end dates, sale prices, pre-tax prices, VAT prices, and much, much more.
Additional e-Commerce plugins are also supported, including Easy Digital Downloads, MarketPress, and WP eCommerce.
Fixes ALL Google Search Console / Structured Data Testing Tool errors:
A value for the headline field is required.
A value for the image field is required.
A value for the logo field is required.
A value for the publisher field is required.
The aggregateRating field is recommended.
The brand field is recommended.
The headline field is recommended.
The image field is recommended.
The mainEntityOfPage field is recommended.
The review field is recommended.
This Product is missing a global identifier.
etc.
js.