Hello @susannaw

If you want to turn the review off of the particular page by going to particular product page screen and turn off the comments .

Please refer to below link for more detail info:
http://image.prntscr.com/image/9046151fac77428e9a5c46502d449dd9.png

But if you want to remove the review from all the product page you have to go through the child theme approach.

You ca refer to below link for the plugin to create the child theme:
https://wordpress.org/plugins/wp-child-theme-generator/

After creating and activating the child theme paste below given code in your child theme’s functions.php file.

add_filter( 'woocommerce_product_tabs', 'wcs_woo_remove_reviews_tab', 98 );
   function wcs_woo_remove_reviews_tab($tabs) {
   unset($tabs['reviews']);
   return $tabs;
}

Hope this helps.

For further confusion, we are always here for you.

Best Regards!!