An investigation ticket as DIAGRAMNET-53049 has been logged in our issue tracking system for the sake of further analysis. We will look into its details and keep you posted with the status of its correction. Please be patient and spare us some time.
@msindia
Since the emf file in the source file is bold,so when we Convert VSDX to PNG, the generated image is bold, We are sorry that we could not resolve this issue recently.
The ticket has already been logged in our issue management system and we will keep checking it whether a fix can be made or not. We will let you know in this forum thread in case we make some progress in this regard. We apologize for the inconvenience.