The best thing about hopworks is that it has all required packages installed by default so no need to worry while working with any package like pandas or python etc. It's also easy enought to use as well I guess you will have less issues when dealing with this tool than if you were trying some other tools out there which are not very user friendly. Nothing really since i am just starting off learning machinelearning but would recommend it only because its free most parts of it work great. So far nothing specific, everything works fine though maybe one day we may face problems regarding dependencies but those cannot be avoided anyway unless u pay more money then what they charge us for their services. Using hopwork to build your pipeline/model and deploying them into cloud computing platforms such as Amazon AWS /Google Cloud Platform /Microsoft Azure /IBM.