Some examples of showing AdSense code for certain members only.

pmpro_ad_code.php

<?php
// show ads to non-members and level 3
if( pmpro_hasMembershipLevel( array(0,3) ) ) {
	?>
	<script>//...</script>
	<?php
}

// use the pmpro_displayAds function
// https://www.paidmembershipspro.com/documentation/content-controls/hide-ads/
if ( function_exists( 'pmpro_displayAds' ) && pmpro_displayAds() ) {
	?>
	<script>//...</script>
	<?php
}