To disable vertical header go to Theme Options > Header builder > vertical header > disable it.
1) Go to Theme Options > WooCommerce > Shop > Product styles > disable categories and ratig checkboxes.
2) Do you want to add that block on the simple page or on the single product page or on the shop page? Provide screenshot of where exactly you want to add that for better understanding.
3) Do you want to edit the top area before the products? Enable Elementor for the static blocks https://xstore.helpscoutdocs.com/article/47-static-blocks Then go to Statick blocks > edit shop page block using Elementor. If you want just to remove that block then go to Theme Options > WooCommerce > Shop > Product page layout > remove static block shortcode from the shop page banner area.
