Must every Doylestown drain be jetted?
No. A professional should choose the method from the actual obstruction and pipe condition.
Doylestown, Ohio 
Understanding Hydro Jetting in Doylestown
Water jetting directs water through a nozzle to work against deposits in a suitable drain. Doylestown is a hilltop village overlooking Chippewa Creek and Silver Creek. That setting makes it important to distinguish wastewater in a building from surface runoff before selecting a drain-cleaning method.
Inspection before cleaning
Ask which section could be viewed, what obstruction was visible and what could not be reached. A partial camera view is not confirmation of the entire connection.
Review the result
Keep a record of the section cleaned, the flow check and unresolved defects. Restored flow does not mean an open joint or damaged pipe has been repaired.
Questions about this drain problem
Talk through the drain problem
Call to discuss the affected fixtures and confirm availability.