This example adds the page field names to a list on a new worksheet.
Set nwSheet = Worksheets.Add
nwSheet.Activate
Set pvtTable = Worksheets("Sheet2").Range("A1").PivotTable
rw = 0
For Each pvtField In pvtTable.PageFields
rw = rw + 1
nwSheet.Cells(rw, 1).Value = pvtField.Name
Next pvtField