Magento2 get all product review details by product sku?
This is example to get product review by product SKU or Product ID
$sku = '24-MB02';
$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$product = $objectManager->create("Magento\Catalog\Model\Product")->loadByAttribute('sku', $sku); //use load($producID) if you have product id
$storeManager = $objectManager->get('Magento\Store\Model\StoreManagerInterface');
$currentStoreId = $storeManager->getStore()->getId();
$rating = $objectManager->get("Magento\Review\Model\ResourceModel\Review\CollectionFactory");
$collection = $rating->create()->addStoreFilter(
$currentStoreId
)->addStatusFilter(
\Magento\Review\Model\Review::STATUS_APPROVED
)->addEntityFilter(
'product',
$product->getId()
)->setDateOrder();
print_r($collection->getData()); //Get all review data of product