TW WhatsApp Chat Rotator plugin will help you in displaying WhatsApp chat buttons in WordPress and WooCommerce easily.
One of the main features of this WhatsApp chat plugin is it can rotate (randomize) your chat agents evenly, you can also assign each agent view percentage. So let say you have 2 agents A and B on the same departments and you want to display only one agent at a time but agent A should be displayed more than agent B, will this plugin can help choose which agent should be displayed based on the view percentage set on each agent.
Demo: https://codecanyon.net/item/whatsapp-chat-rotator-for-wordpress-and-woocommerce/28857551