Attached is an Excel file (zip) and the resulting PDF file. The conditional formatting that hides the cell borders in Excel is not applied in the PDF.
The method used is
http://api.aspose.com/v1.1/cells/12345-Doforms-Test_5255608.xlsx/saveAs?newfilename=12345-Doforms-Test_5255608.pdf
The options sent are
<PdfSaveOptions>
<CalculateFormula>true</CalculateFormula>
<EnableHTTPCompression>true</EnableHTTPCompression>
<CreateDirectory>false</CreateDirectory>
<Compliance>None</Compliance>
<desiredPPI>400</desiredPPI>
<jpegQuality>95</jpegQuality>
<OnePagePerSheet>false</OnePagePerSheet>
<SaveFormat>Pdf</SaveFormat>
12345-Doforms-Test_5255608.pdf (42.7 KB)
12345-Doforms-Test_5255608.zip (8.1 KB)