Spent €174 on Reddit ads for a B2B SaaS. 111,927 impressions, 1,579 clicks, zero customers (from those campaigns). Where is it breaking? - I will not promote

I will not promote. This is a "tell me what I'm doing wrong" post, no product name, no link, I just want the read from people who've managed to pull this off IRL. I've spent the last few weeks trying to make Reddit ads work for a B2B SaaS. Here's the damage up front: €174 spent, 111,927 impressions, 1,579 clicks, and basically zero customers out the other end. Three rounds, three different ways of failing. At this point I honestly can't tell if Reddit ads are just bad for cold B2B or if I'm the problem, so