Board Thread:Boruto Discussions/@comment-3568954-20180202001409/@comment-734582-20180210214709

Naruto10647 wrote: ‘Do you think he also has Sage mode’ That is a question and it is a No. it isn’t an if. It's not the greatest formatting, but it's fairly clear that the full question is "if Konohameru has toad summons, do you think he also has Sage Mode".

As others have pointed out, people that summoned toads eventually ended up having SM, so it's not that strange a question.