LibreOffice is NOT bundled in this ToolLott ZIP. Office-to-PDF tools invoke a separately installed LibreOffice/soffice executable when available.
Tested runtime during ToolLott QA: LibreOffice 25.2.3.2 on Linux.
LibreOffice is distributed under MPL-2.0 with additional bundled third-party components and notices. Use the licence/notices supplied with the LibreOffice installation deployed on the target system.
Source/project: https://www.libreoffice.org/