Source: The Great Interpretation of Dreams (Ibn Sirin)
Seeing the Prophet (PBUH) in a dream is true, and it indicates great good tidings, relief, guidance, and victory. Seeing him in a place indicates goodness and blessing for the people of that place.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Seeing the Prophet indicates the fulfillment of needs, the end of worries, recovery from illnesses, and following the Sunnah.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Seeing the Prophet is interpreted as immense goodness that cannot be counted. Whoever sees him will attain the good of this world and the hereafter.