Is the intent that a Bard gets to know amount rolled for attacks before using Cutting Words?

Is the intent that a Bard gets to know amount rolled for attacks before using Cutting Words?

@JeremyECrawford Is the intent that a Bard gets to know amount rolled for attacks before using Cutting Words or should they always guess? — John H (@Ophannin117) November 24, 2015 You can use Cutting Words after seeing the roll, but before any of the roll's effects are resolved. #DnD https://t.co/9ojkd108io — Jeremy Crawford (@JeremyECrawford) December […] The post Is the intent that a Bard gets to know amount rolled for attacks before using Cut…