Sync UM / WP User Role During User Approval

gistfile1.php

/* This example syncs both UM / WP role during user approval */

add_action('um_after_user_is_approved', 'sync_um_and_wp_role', 99 );
function sync_um_and_wp_role( $user_id ) {
	
	// Get UM role
	$role = get_user_meta( $user_id, 'role', true );
	
	// Set WordPress role for same user
	$wp_user_object = new WP_User( $user_id );
	$wp_user_object->set_role( $role );
	
}

@jdeblase I know it's a bit late, but I hope it helps you. The code is put in the functions.php of the active theme.