Add the code below to your theme’s functions.php file to add the Gravity Forms settings, form editor and form entires to anther user roles admin panel.
function add_gf_cap()
{
$role = get_role( 'editor' );
$role->add_cap( 'gform_full_access' );
}
add_action( 'admin_init', 'add_gf_cap' );