Hello,
1/ Try to use the next custom CSS code (Theme Options > Theme custom CSS):
.content-product .product-details .yith-wcwl-add-to-wishlist { display: none; }
2/
.content-product .by-vendor-name-link { display: none !important; }
Regards
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.