We are unable to save PDF after it is flattened and same applies when concatenating it. It happens only in case of certain PDFs.
The two methods are
{Form form = new Form(inputStream);
form.FlattenAllFields();
form.Save(outputStream);}
and
Concatenate(Stream[] inputStream, Stream outputStream);
Once a call to the dll is made from the code it seems to be stuck there without any results leading to unresponsive local development machines and unresponsive/frozen production systems until the application/server is restarted
We are currently using Aspose dll version 9.1.