The short answer is: yes. The more complete answer is: it depends. If blood pressure is under control with medications, then in general doing a surgical procedure is safe. Patients may need to get cleared by their PCP or cardiologist prior to the procedure if being done under general anesthesia. The exact medications used also makes a difference. Some medications for blood pressure can cause electrolyte disturbances, so this may need to be checked prior to surgery. A board certified plastic surgeon will be able to tell you if the procedure is safe given the past medical history, and any modifications that may need to be made.
Blood pressure that is under control is no problem when doing liposuction under tum. local. So many patients take bp meds and they do just fine.