I'm going to assume you are referring to Log Suppression as utilized by Threat Prevention logs and also logging for Inspection Settings (formerly part of TP), and not Session Logging which is only for Access Control policy logs. The answer is quite complicated, but thankfully already covered in my 2021 IPS/AV/ABOT Video Series. Log Suppression cannot be disabled on a per-rule basis, only on a per-gateway basis via the logsup_none kernel variable as mentioned in the SKs below. But be warned that doing so may significantly increase the logging load on both your gateway and logging server (which is usually the SMS):
Gateway Performance Optimization R81.20 Course
now available at maxpowerfirewalls.com