Dim x As Integer
Dim sheetnameLR As Integer
sheetnameLR= ThisWorkbook.Sheets("sheetname").Cells(Rows.Count, 1).End(xlUp).Row + 1
For x = i To j
ThisWorkbook.Sheets("sheetname").Cells(sheetnameLR, x - 1).AddComment ThisWorkbook.Sheets("othersheet").Cells(x, i).Value
Next x