Converting the attached PDF into images produces unusable output.
Using Aspose PDF 2020.1 with the following code.
var source = @"FontIssue.pdf";
using (var sourceStream = File.Open(source, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
using (var pdf = new Document(sourceStream))
{
var dev = new JpegDevice();
for (var page = 1; page <= pdf.Pages.Count; page++)
{
dev.Process(pdf.Pages[page], $"{source}.{page}.jpg");
}
}
}
FontIssue.pdf (246.0 KB)
FontIssue.pdf.1.jpg (319.5 KB)
FontIssue.pdf.2.jpg (1.2 MB)