Hello,
I ran into an issue where the text and line work on the SVG I imported looked great in Substance Designer but was poor looking alias when importing the SBSAR file into Painter.
I tried looking up info to see if there was a good anti-alias solution. One option I found was converting the svg and adding a slight blur. It didn't look great but it worked.
The best was simply exporting to bitmaps. So I'll probably just be exporting my future SVG files into bitmaps.
I wanted to suggest adding an option for converting the SVG into a PNG file when publishing SBSAR. This would seem to be the best way to get high quality anti-aliasing from the SVG image.