New saas founder need help and advice

Hello I'm really new to all this saas stuff but i know how the business works and everything related to a product because by profession i am a product designer and i made a saas recently and i made the whole MVP site is ready and tool is ready too not launched yet but yes it is ready everything in it works but how do i find users how do i reach out to my potential users i tried to do marketing in reddit my post got blocked and removed on Instagram i tried cold texting got ignored and on X i barley get any view or reactions on my post i have really good plans with this tool i made and I'm sure this can help lots of startups and big tech companies specially in this era of anyone can help me understand how do i find users and gain traction please help me out guide me thank you this is not ad or any kind of promotion I'm genuinely asking for help and advice