Although the show has many, many laugh out loud moments, too many of them are not driven by the plot or the characters (with the exception of Max Van Horn, my favorite character in the show). Similarly, IMO, I didn't see Michael's change onstage; I was told about them by other characters (predominantly Jeff).
I also found that most of the #metoo-type elements of the script felt like pandering.
I LOVE the movie, and I (especially after some time to reflect on what I saw in Chicago), am disappointed in the musical. In the movie, the audience has many opportunities to see Micheal placed in situations that force him to learn respect for women.
We see what a self-centered womanizer her is, in the beginning (best example - the party scene when he's talking with a woman, and compliments her blouse. As he speaks the compliment, he physically tossles the neckline of the blouse, allowing him to look down at her breasts.) In the movie, we see him forced to be a mother, forced to endure misogeny in the workplace, unwanted advances from men, etc. He's also placed in situations where he has to be intimate with Julie without being sexual. Those movie elements that allow Michael to learn, discover and change are, for the most part, absent from the musical.
In the movie, his conversations with Jeff (and finally, Julie's dad) demonstrate that he recognizes the newly found observations about himself. He realizes the value of acknowledging that side of himself, and that when he allowed himself to express those aspects of his own personality, he became a better person, and a better potential partner in a relationship with Julie.
In the musical, in his 11th hour song he sings to, and thanks Dorothy as if she were a third, outside party. He doesn't demonstrate that he realizes IS Dorothy. He sings about Dorothy as if she were an outside catalyst. Also, in the musical, Jeff has an Act II song where he has to tell Michael who he is. Neither of those elements worked for me.
There are other plot and character elements that I was also disappointed in, but I don't want to go into details for fear of spoilers.