Hi Tim,
Thank you for contacting Syncfusion support.
We would like to inform you that the Syncfusion Blazor UI components from version 18.4.30 are available separately in individual NuGet packages. Please find the link below for more information.
We have also created a simple PDF Viewer sample and shared the same in the below link,
Kindly try it and revert us with more details about your issue, version details, and the modified sample with replication procedure, if you still have concerns. These details will be helpful for us to investigate further and assist you better.
Regards,
Akshaya