No, not really. Animals are suspected of lacking cognitive capacity to understand reading like humans do. After all, it’s something we invented. We probably couldn’t understand certain means of animal communication.
In 2009, a dog named Willow did rounds of American talk shows boasting the ability to recognize certain words. Willow’s owner would display commands on cards (eg. bark and sit up) and the dog would obey. Allegedly, the dog could recognize up to 30 unique words.