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>>>Where the learning curve comes in is just the general concept of the environment....SSRS projects in BIDS/SSDT, shared data sources and datasets, deployment, how SSRS handles procs, the nuances of the report manager/report server, how to put a report on a custom web page. Not rocket science, but each one has a bit of a curve.
As a general statement it is.
When you create a new report, one of the first things you do is create a dataset. A dataset can be an in-line sql query (and there's a designer to generate the query) or a call to a stored proc.
Once you have defined the SSRS dataset, you can basically use the SSRS designer to drag/drop the columns from the dataset into the layout area.
I have some videos I can make available to you privately (they are part of a course I'm planning to sell, but I can make a few of the beginner ones available to you privately)