Ppt save to pdf results in missing shadow text

the code is:
using (Presentation pres = new Presentation(file))
{
FontsLoader.LoadExternalFonts(new string[] { fontspath });

// Instantiate the PdfOptions class
PdfOptions pdfOptions = new PdfOptions();

// Set Jpeg Quality
pdfOptions.JpegQuality = 90;

// Define behavior for metafiles
pdfOptions.SaveMetafilesAsPng = true;

// Set Text Compression level
pdfOptions.TextCompression = PdfTextCompression.Flate;

// Define the PDF standard
pdfOptions.Compliance = PdfCompliance.Pdf15;
pdfOptions.EmbedTrueTypeFontsForASCII = true;

// Save the presentation to PDF with specified options
pres.Save(pdffile, Aspose.Slides.Export.SaveFormat.Pdf, pdfOptions);

}

The file is pptOriginal.zip (34.9 KB)

this word is missing in pdf file.
shadowsPPTwords.png (9.4 KB)

@rachel.liu,

I have observed the issue shared and request you to please try using latest Aspose.Slides for .NET 20.4 on your end. In case there is still an issue then please share the feedback with us.

Hi mudassir,

 I have used the latest version of asasasposition.slides for.net 20.5.
 But PPTT tansfer to PDF still can't search the word of 'smartArt' in PDF file.
 I need this word to support search in pdf file. Please help me to check it. 

Many thanksss.

@rachel.liu,

I have observed your requirements and suggest you to please share the source file and generated PDF with us along with used sample code. Please also specify which text you are trying to search in generated PDF and is getting failed.