I’ve never seen Preview behave that way. You have to go to Markup and then select the text tool first.Usually you can just click anywhere and a text entry field appears to let you start typing ..
Of course we tried that, it has been working well in all computers we had the last 10 years but with the M1 it is not working. It is a very strange thing apparently, as I can only find very few people reporting the problem.I’ve never seen Preview behave that way. You have to go to Markup and then select the text tool first.