The Syncfusion native Blazor components library offers 70+ UI and Data Viz web controls that are responsive and lightweight for building modern web apps.
.NET PDF framework is a high-performance and comprehensive library used to create, read, merge, split, secure, edit, view, and review PDF files in C#/VB.NET.
Could you please open a new direct – trac incident with subject line as Forum 63579 - Issue with BackgroundImage for Diagram? So that it would be possible for us to provide more details regarding this issue.