What do you like best?
Google Cloud had a wide array of APIs available for use. They're very flexible, and their prices are very competitive- you only pay for what you need. It is also very easy to start using their products. Their documentation is detailed, and included code samples for multiple languages.
What do you dislike?
Google Cloud Natural Language works best in English. It doesn't have the best support for other languages. Additionally, it can be tripped up by sarcasm or text speak, though it is improving.
Recommendations to others considering the product
If you already use other Google Cloud products, it will not be difficult to start using Google Cloud Natural Language. The documentation is very detailed, and Google provided considerable support. Google also provides a lot of support if you are switching from another product.
What business problems are you solving with the product? What benefits have you realized?
Google Cloud Natural Language allows us to analyze large amounts of reviews to see how people feel about certain things, as opposed to having someone manually comb through everything. It also lets us see what people talk about more to see what people care about more and what people don't care about.