Hey Mate,
You probably won't get a straight answer to this question. Normally you say, you do not top Autos because of the limited Life-Span. But it's very strain dependent and also how your Veg. thrives.
I would highly suggest to try it on your own.
There are growers here, who top their autos on day 10/11 and get good results. To me it's always dependent on the veg. If she thrives then I top, If not it's just LST.
Good luck and happy trails for the rest of the way 🤞
Servus🤘
OimRausch