Answer:
Yes, the PDLC film in transparent status will have about 3-4% haze, so you will see a little cloudy. It can not reach as clear transparency as normal glass, now all the pdlc film in the market will have about 3% haze.
However, by adjusting the lighting, it can appear more transparent. For example, it will appear more transparent when using yellow light or when the light is not very strong.