Well, if this is saying a tyrant author player can force a GM to run their game 'novel' for them...well, no I'd disagree.1. Autonomy: The ability to determine the goals your character pursues and the actions they take in pursuit of those goals.
A player can make up goals all days long....but can only play them out in most RPGs IF and only IF the GM agrees in general and wants to do it.
I think this is a given.2. Impact: The ability to bring about irrevocable change to the setting as a result of the actions your character takes (without it being essentially given to you). Success must be earned / taken.
The problem is way, way, way, way WAY to many players want an Easy Button game. Just like the see on Tv or the Movies: they want their characters to do crazy clumsy things and alter game reality.
I guess you can say "influence", but this goes right back to number 1: only if the GM agrees.3. Content/Thematic Influence: Your ability as a player to influence the content and/or stakes of the setting and scenarios that will be played out at the table.
I just don't see how a player occasional making vague 'suggestions' is any sort of agency.I hope we can all agree that there are various levels and tolerances of all three that will play out from game to game and will be influenced by both game design and GMing technique. Whether or not you think an aggregate like score of overall agency here is helpful I do think you can talk about it in those terms, although it's likely more useful to address individual dimensions.