I'm having trouble rendering designs that I had previously done with Illustrator Draw and Illustrator Sketch apps. The image I've tried to export is a line drawing, and looks fine on the Fresco app, it is vectorized and has no background. However when exported it comes out very low quality, pixelated, and with s white background.
I think it looks like it has a white background when you look at the image in your gallery, for example, but if you then import the image into Illustrator it will still be transparent. Make sure when you created the image in Fresco that you did choose a transparent not white background.