Your store will display items price according to the selected currency! The WooCommerce Multiple Currencies is very straightforward: install, select the currencies and the update rates frequency!
Demo: https://codecanyon.net/item/woocommerce-multiple-currencies/23590806
This is not a plugin by itself. It is an Add-on for the plugin linked below. Thanks to this plugin, you can use the data provided by PancakeSwap as the currency converter API.