Define the view you want to limit
Consider sightlines from the street, adjacent paths and the house itself. The goal may be daylight without a clear view of shelves, rather than completely opaque glazing. Describe that goal when reviewing available window positions and glazing options.
Compare the actual proposed option
Manufacturers offer different materials, finishes and layouts. Request information or a representative sample for the selected glazing, not a generic picture of frosted glass. Window configuration must remain compatible with the documented door assembly and the requirements for the property.
Plan cleaning and future changes
Ask which cleaners and accessories are permitted. Do not assume an aftermarket film or coating is suitable for the installed glazing. If the privacy choice later changes, identify the door model before asking about replacement windows so the available options can be checked properly.
Your questions
Does tinted glass guarantee nighttime privacy?
No. The apparent view depends on lighting and the glazing itself.
Can I move a window row after the door is installed?
Do not assume sections can be rearranged. Ask about manufacturer-supported options for the actual door.