Phone Recovery Stick - Android Data Recovery

have a a samsung phone a couple yrs old. The phone is unlocked, hower, All Apps ( text, social media, settings etc )all have a pattern lock. Will reco

Does your android have to be rooted to recover erased data?

Will this retrieve WhatsApp data and messages?

Can this stick be used to recover photos off the phone, when the samsung phone is stuck in a boot loop? phone won't bootup stays on logo... thnx