No, Bouca Airport (BCF) does not have a lounge, and for anyone weighing travel to this part of the Central African Republic, that is the smaller fact. Governments including the United States and the United Kingdom have for years advised against travel to much of the country, including the Ouham prefecture where Bouca sits, because of armed conflict, banditry, and a security situation that shifts with little warning.
Bouca itself is a modest town in north-central Central African Republic, and the airstrip serving it functions mainly for humanitarian and peacekeeping flights, the kind operated by aid agencies and the United Nations mission, rather than scheduled commercial passenger traffic. There is no terminal building in the sense a lounge would occupy, no ticket counter running a regular timetable, and nothing resembling a business-class waiting area. The wider Ouham prefecture has seen repeated bouts of armed-group activity over the past decade, which is part of why aid organizations plan movements here through dedicated security assessments rather than routine travel logistics.
The country's real international gateway is Bangui M'Poko International Airport, the main airport serving the capital. Even there, facilities remain modest by regional standards, and scheduled international connections have been limited for some years, so travelers should not assume a Priority Pass network or airline club awaits on arrival. Confirm any current service, however limited, directly with your airline or the organization arranging your trip rather than relying on older listings.
For practical purposes, anyone traveling to Bouca is very likely doing so through an established humanitarian, diplomatic, or security channel rather than a commercial airline booking, and lounge access simply is not part of that picture. Check your government's current travel advice before any trip to this region, keep your itinerary flexible, and coordinate transport and accommodation through the organization facilitating your travel rather than expecting airport amenities of any kind, lounge included, to be part of the experience. Build in extra time for delays or reroutes on humanitarian routes here.