Abu Ahmad Bin Adi Al-Jurjani: He narrates Munkar (rejected) Hadiths
Abu Bakr Al-Bayhaqi: He narrated from Al-Bukhari that he did not attribute any weakness to him
Abu Hatim Bin Hibban Al-Busti: He narrated very few Hadiths and narrated very Munkar (rejected) Hadiths, he narrates on the authority of 'Ikrimah what is not from his Hadiths, to the extent that it crosses the mind that he was the one who intentionally fabricated it. It is not permissible to use him as a reference under any circumstances
Ibn Hajar Al-Asqalani: Weak
Al-Dhahabi: He is lenient in Hadith