My only concern would be if they were in the same department. If it goes wrong, she’ll be the one who has to leave, he may have some power over where she goes next in terms of promotion too.
BTBH, there’s sod all you can do about it, but be there for the joys and any woes. When you say her first boyfriend, as in, she hasn’t had much luck getting a boyfriend, or she hasn’t found anyone to connect with yet. Because that would be the big issue.
I actively chose not to date anyone when I was at school, but by the time I was at university, I was ready.
You’re allowed to be concerned, you’re a mum, but please don’t say anything to your daughter, just keep your eyes and ears open. Hopefully, you’ll be pleasantly surprised, and she’ll blossom, and be terribly happy.