Here you go, John. Thanks!
<?php
$spm_display_ids = get_field('spm_display_ids', 'options');
$id = get_the_ID();
?>
@if ($spm_display_ids != null)
@if (get_field('toggle_sm', 'options') && in_array($id, $spm_display_ids) === true)
@include('specials-modal')
@endif
@endif