Both. AWS Certification Exam Vouchers can be redeemed for Proctored Online, or In-person Testing Center appointments through Pearson VUE only.
At the time of voucher purchase, you do not have to choose a location or time, so candidates can enjoy the flexibility of choosing the most convenient location and time to take their certification exam.
*Voucher Codes are not Private Access Codes. Please do not redeem your voucher as a Private Access Code.