Please accept my apologies for overlooking the issue while testing earlier. You are right, the contents are not fully rendered in previously shared PDF file. I have checked further, the reason for incomplete rendering is that the content height is more that the maximum height allowed for a row. You may confirm this by expanding the row height to max, you will notice that Excel will not allow you to expand the row height beyond 409.5.
That said, one possible solution for this scenario is to merge the cells
to expand the visual area. Please check the following piece of code and attached resultant files for your reference.
var book = new Workbook(“D:/Test.xlsx”);
var sheet = book.Worksheets;
var cell = sheet.Cells[“A1”];
if(cell.GetHeightOfValue() > sheet.Cells.Rows[cell.Row].Height)
sheet.Cells.Merge(0, 0, 31, 1);