We are using aspose pdf 22.12 for java and using the recommended process to optimize the size of the pdf. (https://docs.aspose.com/pdf/java/optimize-pdf/) When we perform the optimization all of the DocuSignature blocks turn black. It looks like the background is changing from transparent to black but I don’t know for sure. This issue also happens on the aspose website https://products.aspose.app/words/compress/pdf
While testing I also noticed that using a PdfExtractor causes the same issue with the image. The background is black as well.
I think this is a bug and if not is there a recommended fix?
Original Document: source_file.pdf (170.6 KB)
Optimized Document: reduce.pdf (164.5 KB)
Extracted Png: extracted_image.jpg (23.5 KB)