Sam Eaton

When I try and export my pictures, the shadow and glow effects always look really bad and not smooth but it looks fine before exporting. Here is an example of what It should look like: And here is what it looks like once exported: I am using Affinity Designer on windows I am fairly new to designing (as you can tell) so I could just have a setting wrong but it has been an issue that has been bugging me for a while now so any help would be much appreciated, Thanks