Maybe try Croxyproxy (https://www.croxyproxy.com/), idk if it works on mobile, but it might, and might surpass this.
Or just talk to her about it, how would she feel is she was restricted? It would be unfair, wouldn't it?
Also maybe just get 1984 (by George Orwell) and throw it at her for good measure
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FUCK CENSORSHIP
I would recommend using a proxy to view both of those sites, and certainly don't download anything from them, including downloading the PDF file.
https://www.croxyproxy.com/ is a decent online in-browser proxy site
Reddit ve twitter'da gonderiyi acinca yeni bir sayfaya yonlendiriliyorsun ve url degisiyor yani yine fark edilirsin. croxyproxy isimli websitesi uzerinden rahatlilka arama yapabilirsin. croxyproxy link: https://www.croxyproxy.com/\_tr/
Your mom sounds overly controlling, which imo is a form of mental abuse. Not sure if that monitoring is software or hardware based but using a proxy is probably your best bet to avoid it, something like https://www.croxyproxy.com/ all they'll see is visiting that address. You could also try factory resetting your device but that would probably tip them off.
https://www.croxyproxy.com/ It’s a node unblocker, it allows you to visit any website, YouTube doesn’t play as far as I know Blackpearlhabor is one Spyro is another one (Spyro.something)