Page 5 - "on their red ribbon" "Their" is ambiguous in this sentence. Change to "the person's ..."
Page 10 - What if the market runs out? Does the player draw from the top of the deck or refill the market?
Page 11 - A strategy note on why you might want to play a card from your hand here would be helpful. This should be an aside; not all players like them. During the game, it will probably become obvious.
Page 13 - This is the first mention of the journal cards outside of the introduction. Where did they come from? How did we get them? This is confusing and it's essential to understanding how to score the game. (This is the weakest part of your otherwise strong, clear rulebook.)
Page 14 - Before introducing the cancel actions, we need to know what they cancel. This is the first we've heard of these conditions.
Act 3 generally - I assume our hand limit is no longer in place. State this clearly.
Solo Page 1 - A quick explanation of "current sponsor" will help players here. You explain it well later; knowing it earlier will make the other rules make sense to the reader more quickly.
A sample turn for each act with some rationale for why players are doing what they are doing in terms of the long game might be helpful to give players a little better sense of why they might make certain choices.