Try this non-VBA solution to capture a cell comment :
1] Assuming you have a Comment on cell A1
2] Select Cell C1 >> Define Name
2.1] "Name", enter : DisplayComment
2.2] "Refer to", enter formula :
=GET.OBJECT(12, ROW(A1))
3] In cell C1, enter formula :
=DisplayComment
Regards
Bosco