I am also unable to evaluate the segment on demand using API, is that the limitation with data distiller audience?

Thanks, I have made some progress on point 1 - I have set up the dataflow as incremental export and it is working. 

Hi Everyone, I have created an audience using data distiller and it is in processing state for quite a while now - my questions are -1. I want to export incremental data from data distiller audience, how can I achieve it? I can run an insert query to add new data into the audience but how do it make...

@DavidSlaw1 how did you create XDM complaint parquet structure?