Find attached two images identifying the elements that show incorrect representation. Mostly occlusions or misplacements passive to cause misinterpretations of the information.
We were able to replicate the issue in our environment using Aspose.Diagram for .NET 19.11 and logged it as DIAGRAMNET-51733 in our issue tracking system. We will further look into details of this issue and keep you posted with the status of its correction. Please be patient and spare us little time.
The issue has recently been logged in our issue tracking system and is pending for analysis. We will definitely investigate and resolve it on first come first serve basis. We will surely let you know as soon as some definite updates are available regarding its resolution. Please spare us little time.
While investigating the issue, it is found that Legend will not be saving to the output PDF because of the print setting. If you save the source file to .pdf using MS Visio, you will find the same issue. Other issue will be resolved in 19.12 version of the API.