How to create user stories and tasks based on user stories?

Thank you for your inquiry and I’m sorry the Agile development feature is supported in Professional Edition or above. That the document you referring was already out-dated. Once the user stories being put into sprint you can then generate task for it. Details can be found at https://www.youtube.com/watch?v=SqQdE5nYz0U&list=PLLiBQRHikaGZw90fobsxGSLgzY8mei1w0&index=5

And the complete usage of the Agile development features (old name: UeXceler) can be found at https://www.youtube.com/watch?v=vYTHmzcpfT0&list=PLLiBQRHikaGZw90fobsxGSLgzY8mei1w0

If there are any further inquiry, please do not hesitate to contact me.