As you already know, the free version of Education Hub theme has not been tested for compatibility with woocommerce plugin, however, we thank you for the heads on for the changes regarding product page.
As for now, you can simply hide the Author and post date metas from the product page by adding the following custom CSS in your Admin Dashboard > Appearance > Customize > Additional CSS :
This was a WooCommerce issue and was corrected in yesterday’s 3.3.1 – 2018-02-06 update:
Fix – Added woocommerce_output_product_categories to replace woocommerce_product_subcategories function to prevent outdated theme template files from outputting categories on the shop and category pages in err.
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