cool. this is work. would you check bellow code correct way or not, have any better way to do for this. i have more than one filed.
<h2><?php
$product_cat_object = get_queried_object();
the_field('side_box_title', 'product_cat_' . $product_cat_object->term_id);
?></h2>
<?php
$product_cat_object2 = get_queried_object();
the_field('side_box_content', 'product_cat_' . $product_cat_object2->term_id);
?>