God is the Greatest, there is no god but God.
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There are no ways or methods to see Muhammad (sa) in the Sunnah.
I assume the way to see Prophet Muhammad (sa) in a dream, which is possible and does happen and has happened, is to ask and pray to the One who gives this dream to you and gives you Permission to it aka God.
And God may Answer your prayer or refuse it, God Decides.
He may give it to you as reward for something great you did, or just give it to you from His Grace, or you will not be given it since God didn’t want to, and God Knows best, and God is the Most Wise.
My cousin, who has memorised the whole Quran, he has been given the Permission to see things in dreams etc, and since he has memorised the whole Quran, he can choose about 100 people to save from the hellfire in the hereafter, that is what he has told me.
I don’t know if he has seen Prophet Muhammad (sa), but I know he sees great things in dreams, since one day he hold my hand and made a prayer to be allowed by God to have a dream about the day I battled and fought and destroyed possibly one of the most powerful satanistic terrifying demon in all of existence, and he was given this dream by God to see it, which he did, since the next day he told me accurately what happened etc that day with me and this demon.
But anyways, we should not focus on seeing him in dreams, Muhammad (sa) is in our Heart, we see him in our heart, and we follow his Sunnah and the Quran which he brought to us from God, and we see him more and more the more we follow the Quran and the Sunnah, and we have testified about him.
And we are not equal to Prophet Muhammad (sa).
We and the disbelieves are not equal, the Glorious Quran asks us, is the one who will enter Paradise equal to the one (the disbelievers) who will burn in the hellfire?
No.
God is the Most Great, to God is our Absolute Certain return.