|It will be easier to make the change in Excel and then take it to Word/PDF.|
What you want to do is transpose the cells.
You can use a function to do it (look up the help files, or Google, transpose cells in Excel)
Or you can copy, paste special, transpose.
You may need to do it in a few separate sections depending on how big, complicated you range is.
Once you’ve got the data laid out in Excel how you want, then convert to Word/PDF.