Definition
135f967/app/code/Magento/Sales/Model/Order.php#L708-L741
/**
* Retrieve order edit availability
*
* @return bool
*/
public function canEdit()
{
if ($this->canUnhold()) {
return false;
}
$state = $this->getState();
if ($this->isCanceled() ||
$this->isPaymentReview() ||
$state === self::STATE_COMPLETE ||
$state === self::STATE_CLOSED
) {
return false;
}
if ($this->hasInvoices()) {
return false;
}
if (!$this->getPayment()->getMethodInstance()->canEdit()) {
return false;
}
if ($this->getActionFlag(self::ACTION_FLAG_EDIT) === false) {
return false;
}
return true;
}
Details: How is \Magento\Sales\Model\Order::isPaymentReview() implemented and used?