A： If you use “SVG Fliters”, ”Opacity”, ”Make Clipping Mask”, “Blend Tool”, “3D”, “Scribble”, “Brushes” in your file, you need to rasterize them when you complete the file.
 

A： Bleed is at least 3mm. (The background needs to be filled in the bleed range.)

A： select > object > selection
right click > create outline