Hi Tom.
Thank you for purchase!
1. You can delete menu badge by go to Appearance > Menus and follow screen shot
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2. You can change label of badge on product page, product listing page by use Loco Translate Plugin
http://support.janstudio.net/forums/topic/theme-translation/
and change text in English-US language
3. You can hide “new” badge of product by edit this product on Product Detail Option panel and follow screen below
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4. The badge “Sale, Sold Out” display base on product status. If you need hide all badge on product ignore product status you can add custom css in JanStudio > Theme Option > General Layout > Custom CSS
.product .badge { display: none;}
Best regards
Harry
Premium Wordpress themes and plugins, Best WooCommerce theme https://themeforest.net/user/janstudio/portfolio?ref=janstudio