No, it is not. The main requirement for IUI to be possible is to have a normal sperm count. Unfortunately, azoospermia patients have no sperm in the ejaculate.
Read the full article on: Azoospermia – Can a Man Actually Have Zero Sperm Count? ( 81).

Rebeca Reus
BSc, MSc
Degree in Human Biology (Biochemistry) from the Pompeu Fabra University (UPF). Official Master's Degree in Clinical Analysis Laboratory from the UPF and Master’s Degree about the Theoretical Basis and Laboratory Procedures in Assisted Reproduction from the University of Valencia (UV).