I was surprised to find that there was no approval needed, it just appeared as normal. (On my end at least). This was probably an oversight, but needs to be addressed nevertheless as it defeats the purpose of pending discord links if it can easily be bypassed. Here is the topic in question:
This should be looked into so there aren’t any bad links in categories that they cannot go in.
Even if you share the same link several times there is context needed for the advertisement, if you just spam around random topics with your link it should not be approved.