Get Product Reviews
https://stackoverflow.com/questions/18675059/how-can-i-call-programmatically-a-product-description-in-magento-1-7-0-2
<?php
$productId = $product->getId();
$reviews = Mage::getModel('review/review')
->getResourceCollection()
->addStoreFilter(Mage::app()->getStore()->getId())
->addEntityFilter('product', $productId)
->addStatusFilter(Mage_Review_Model_Review::STATUS_APPROVED)
->setDateOrder()
->addRateVotes();