It is definitely possible if it is made via ACF. I checked the plugin source, and it appear that the field value for the “boolean” type is actually either 0 for true or 1 for false.
If you need an “invisible” filter to simply hide the jobs where this field is “false”, then you could do something like this: https://i.imgur.com/xpDsSdW.png
..and also, if you want to allow items, which does not have this field assigned, then turn on this option: https://i.imgur.com/lcPWyA6.png
