BE ATTENTIVE and don’t place the private information in the general message area because all the visitors have access to that information! Use the Private content area http://prntscr.com/10guf2p to provide private info.
1) Edanble Elementor for products – http://prntscr.com/10qwy08 , then you will be able to edit this content https://prnt.sc/10qworf using Elementor, and changes will be visible.
2) Theme Options > WooCommerce > Single product builder > Tabs > Custom Tab 01
About icons on single product page, add the next code in Theme Options > Theme custom CSS:
.single-product .elementor-image-box-img img {
max-width: 50px;
}
Regards