As a graphic designer, it is necessary for me to have my work shows in my gig that I have done for my clients.
Can I ask my client that he mark my design as visible in my gig? Is that allow from Fiverr?
I think you should ask the buyer nicely, but it’s their own freedom whether they want let their stuff be visible
I would be careful asking the buyer for anything but that’s just me. You never know how someone might react. They might be totally fine with it, others might want to keep their transactions private, a few might take offense and report your message. Better safe then sorry, if they want to have it displayed they can easily do so.