Turbine wheels and propeller are considered as complex parts. On this video from nc_tools you can see, that these parts are simple for SprutCAM X  5-axis milling is used..

“SprutCAM offers strategies for 5-axis machining that make it possible to create programs for all types of multi-axis milling machines.”

If you want to create something like that but you have some difficulties, please, feel free to contact us.