PDFCreator 1.7.1 doesn't work on IIS 10 when using Office16

Hi , i face a problem while develop Program when using PDFCreator,
when i run program in VB is work but while i use IIS to open the program is keep loading and no error no exception just keep loading , i have checked the user authority is accessed ,i also add Spool 's permission, i checked the log in PDFCreator is just show this:

2020/11/6 上午 09:30:38: PDFCreator Program End
2020/11/6 上午 09:31:36: PDFCreator Program Start
2020/11/6 上午 09:31:36: Windowsversion: Windows 8 [6.2 Build 9200]
2020/11/6 上午 09:31:36: InstalledAsServer: False
2020/11/6 上午 09:31:36: MyAppData: C:\Users\xx\AppData\Roaming
2020/11/6 上午 09:31:36: PDFCreator spool directory (Write access: true): C:\Users\xx\AppData\Local\Temp\PDFCreator\Spool\

i have no idea what to do now ,Please help !