I will benefit a lot if I get the right answer.
You generally can, but it’s pointless, you won’t get any orders. A lot of sites have started blocking fiverr links due to the meksells anyway.
Quora will block your link.
Check out this post: Pls how can i rank my gig on quora
I already have shared my link without any problem on Quora. My question is that, Will there be any problem in my fiverr account?