How can i display the function of short-code in option tree framework meta box?

I having Trouble while calling the shortcode ultimate short-code

echo get_post_meta($post->ID, 'itineary', true);

The above code display the content as plain text but i have to use

[su_button icon="icon: bullhorn"]Button text[/su_button]

this short-code to add a button but it show also in plain text…

Hoping for a solution!!!