In case your camera and lenses are supported, you should consider PL as a RAW file converter whose core competency is noise reduction and support for good lens profiles, both of which are not available for TIFF files. And to make fully use of PL you also need Filmpack. … Or to put it another way: I wonder what your goal is.
→ Referring to an older entry in your profile … Do you (still) use the Nik Collection?