I'd be a little worried about his offense with the numbers he's put up in junior. It's far from a sure thing, but usually top 6 forwards put up more than a point per game in their draft + 1 year, although there are exceptions.
I saw people comparing him to Tom Wilson and I'm not sure about that. Although, Wilson had a better draft + 1 year (year after his draft year), although Virtanen was coming off a shoulder surgery I think.
I mean Johansen just missed putting a 1ppg in his draft year, but his d+1 blew Virtanen's away. Lucic missed 1ppg in his d+1 but just barely, and he's really the outlier. ROR didn't put up 1ppg either but he was already in the NHL.