Need help adding a shortcode (button) to the header

Hello!

Love the theme, but there are some things we are having trouble with.

We are using a small plugin that lets the customer change product view to with and without taxes. This is because we both have companies buying from us, and private people.

Right now the toggle tax is floating on the screen, and is extremely annoying on mobile version. therefore we want to add it as a button to our header. This can be done using a shortcode. Here’s the link to the plugin:
https://codecanyon.net/item/woocommerce-tax-toggle/7796887
“Using the Shortcode
You can use the shortcode [wootax] to insert the Toggle button anywhere you want in your theme”

We are trying to add this shortcode button to our headers, but we cant seem to do it.

Some help on this matter would be greatly appreciated. thanks!