According to information published by the United Nations Register of Conventional Weapons (UNROCA) in June 2021, Saudi Arabia already bought three Turkish Unmanned Aerial Vehicles in 2020. The report did not mention if it is about the UAV is the Bayraktar TB2 or the TAI Anka.
TB2
Both countries are actually in discussion regarding the buy of the Bayraktar TB2 UAV, but several persistent political problems between Turkey and the Kingdom of Saudi Arabia like Mavi Vatan (Blue Homeland), the Khashoggi case, or the boycott of Qatar.
ANKA
Saudi-Arabia; Air Force acquired 3 Turkish armed MALE UAV in 2020