Rogue One and Solo are in-universe holothrillers produced under the New Republic as celebrations of Rebel heroes. While the broadstrokes events are true, creative license was taken with the details for dramatic effect.
I feel that way regarding virtually every SW film and TV show.
Indeed. This idea goes back to the earliest conception of the franchise - all are tales told by C-3PO and R2-D2 (or recovered from their memory units).
The Star Wars: From the Adventures of Luke Skywalker.