Hi, I am using Aspose PDF dll to flatten my fillable pdf’s and its not working. My actual requirement is to concatenate two pdf’s. When i am trying to concatenate a fillable pdf with normal pdf it is not concatenating…...Flatten them using Aspose.PDF for .NET Aspose.PDF Product Family...2014, 9:04am 1 Hi, I am using Aspose PDF dll to flatten my fillable...