Joaquín Rodrigo was a pianist, not a guitarist. He famously said, "I don't want to know anything about guitar technique; I want to be surprised." This means the original guitar solo part, transcribed by Regino Sainz de la Maza, is not always intuitive. Standard notation is considered the "holy text" for this piece, but advanced TAB can show you alternative fingerings that standard notation cannot.
The concerto follows a standard three-movement classical layout: concierto de aranjuez guitar tab pdf