Section downloads on the product page

-- HikaShop version -- : 3.0.1
-- Joomla version -- : 3.7
-- PHP version -- : 5.6
-- Browser(s) name and version -- : all
-- Error-message(debug-mod must be tuned on) -- : no

Dear Nicolas!
May be you have any option to add section downloads on the product page?
So, I need to add links to pdf files - is a documentation for each product.
See this example, please:

Thank you. Nicolas!