//Type 1
<?php $whoWeAre = get_post_custom_values($key = 'who-we-are-section-title');
		if( !empty( $whoWeAre[0] )) {
?>
  
//Type 2
<?php $mykey_values = get_post_custom_values( 'capabilities-button-text' );
if( !empty( $mykey_values[$i] )) { ?>
//your code
<?php } ?>
  
//acf loop field hide
<?php
 if()          
?>