Hello, @TFS,
Thanks for using our Theme and for contacting us.
1- Actually, the section of the text and icon is coming from the blocks. Simply navigate to the Dashboard >> Static Blocks >> and then edit the block called “Custom Single Product Sidebar – niche-market02” check the image: https://postimg.cc/phXCB8tB
2- It is a cross-sell products widget and you can set the widget settings as you want by navigating to the XSTORE >> Theme Options >> WooCommerce >> Single Product Builder check the image: https://postimg.cc/fVfPsYDx
Regards 8Themes Team.