What are you trying to do? First of all, are you trying to push data to AWS/GCP or pull data into PI?
Having data in a cloud platform is extremely broad. What is the architecture, are you trying to get data out of an Amazon RDS database through S3 bucket?
Please provide additional details on your needs and use case and we can see what the best way to move the data is.
Its to push data to AWS/GCP's messaging queue
PI Integrator 2018 R2 will enable sending data to Amazon targets such as Amazon S3, Redshift and Kinesis. This can be found in UC Barcelona product video as below:
At this time, we have Microsoft Azure targets such as IoTHub and EventHub in addition to Amazon.