Key Inclusion Criteria:  Willing and able to provide informed consent Chronic HBV infection for at least 6 months Willing to follow protocol-specified contraception requirement  Key Exclusion Criteria:  Have extensive fibrosis or cirrhosis in the liver Have or had liver cancer (hepatocellular carcinoma) Have an autoimmune disease Have chronic liver disease other than HBV Females who are breastfeeding, pregnant, or who wish to become pregnant during the study  Note: Other protocol defined Inclusion/Exclusion criteria may apply.