Hello guys! I need SaaS for Woocommerce

Hello, Aroldo! Do you mean https://woocommerce.com?

Hey Aroldo, are you looking for WooCommerce plugins (add-on SaaS products), or a WooCommerce installation? If you’re looking for a plug-in, WooCommerce has a marketplace to browse different types and install them pretty quickly. Happy to help if you can provide a little more info.

I Need plugin for make WhatsApp automation

Depending on what kind of automation you’re trying to achieve, this may or may not be a fit: https://woocommerce.com/document/whatsapp-chat-for-woocommerce/ But there’s a whole marketplace of options to choose from, if this one isn’t a good fit.