Hello,
Thanks for contacting us.
1/ According to the ThemeForest license policy, you can use 1 license for 1 project only (dev site, production site, localhost but the same project) – https://themeforest.net/licenses/terms/regular If you want to use our theme for a few different projects you need to buy a few licenses.
2/ Please read about translation of the theme and Core plugin here – https://xstore.helpscoutdocs.com/article/30-base-theme-translation
WooCommerce translation – https://woocommerce.com/document/woocommerce-localization/
Regards