Welcome to GPLDL - we are still beta - please report any bugs via the contact form.
It’d be amazing to see WP Pro Advertising System [link: http://codecanyon.net/item/wp-pro-advertising-system-all-in-one-ad-manager/269693 ], as well as its Woocommerce Sales plugin: Pro Ads Buy And Sell – Woocommerce [link: http://codecanyon.net/item/pro-ads-buy-and-sell-woocommerce/9826037%5D
None is 100% GPL licensed.
How can someone tell what is 100% GPL licensed, and what is only partially licensed?
You have to look at the exact licensing terms of the plugin developers.