A: It will work with any wordpress site where you introduce your services via any wordpress template. Please check below article for possible ways of integrating:
https://help.kiwilaunch.com/en/articles/8662053-how-to-integrate-widgets-into-your-own-website
It won't work as very smooth with Woocommerce, because woocommerce has its own basket and checkout funnel which is optimized for ecommerce, not services. We have our service business optimized booking funnel, which won't co-exist well with woocommerce.