OyezForms installation package also offers integrated PDF-print engine called OyezForms PDF. With this users can simply generate a PDF version of .olf forms by using the File ► Export function. PDFs generated in this manner are 'flattened'. Any text entered into OyezForms' fill-in fields will be visible, but uneditable.
This is pretty much the only way how to achieve olf to pdf conversion as no 3rd party software otherwise supports of exporting .olf forms.Open OLF file Open PDF file
A software used to create, fill and print official forms