String inAiFilePath = "rect2_color.ai";
String outPdfFilePath = "rect2_color.ai_output.pdf";
            
// Load a regular AI file
AiImage aiImage = (AiImage)Image.load(inAiFilePath);
try{
    // Export the loaded AI file to the PDF file format with default options
    aiImage.save(outPdfFilePath, new PdfOptions());
}finally{
    aiImage.dispose();
}