If your currency is no on the list in WorkScout Core → General → Currency you can add custom currency using PHP snippet.

add_filter('woocommerce_currency_symbol', 'change_currency_symbol', 10, 2);
   function change_currency_symbol($currency_symbol, $currency) {
     if($currency === 'XOF') {
     return 'CFA';
   }
   return $currency_symbol;
}

How to add PHP snippets?