When teams start off or have not done a Sprint Review in a long time, use the 80 /20 rule and conduct an internal team review a few times. This will help the teams feel comfortable and we don't need the entire company at the 1st Sprint Review. It is overkill. The Sprint Guide is about the Best level and even professional ball players take a few practices before the big game.
This is our 4R Thursday - Roles, Requirements, #Reviews and Retros on this our 1267th show for #5amMesterScrum