Thanks for your answer.
Actually I am using Adobe Animate to load the SWF content into a timeline and export is as a MOV file which I can load in Vegas. But this pipeline is not fast enough since I have many SWF files to export and I must do it one by one.
If I could find a faster solution, like a batch proces it wold be great.
I will look after SWF extractors.
Again, thanks.