Hi Stefan,
Merry Christmas!
Glad to inform you that we just released Spire.PDF Pack(Hot Fix) Version:6.12.20 that fixes your two issues. Welcome to download it from the following links.
Website link: https://www.e-iceblue.com/Download/down ... t-now.html
NuGet link: https://www.nuget.org/packages/Spire.PDF/6.12.20
Sincerely,
Rachel
E-iceblue support team