Generally not but there is a perfect solution. You can get solar lights that are connected to their solar panels with a cable. So in your case you install the solar panel on the roof, and the solar light on the side of the house. Easy!

You should keep in mind that before light sensors can be used, they need much sunlight. Thus, placing them under the shade is a bad idea because they will not turn off.

Solar yard lights should ideally be exposed to the sun for at least 6 hours straight. This charging time is enough to fully charge the batteries and make them last throughout the evening.

Definitely yes! Also, keep in mind that solar solar work excellently in the shade, you need to ensure to install them in an area where the solar panel could collect or receive sufficient sunlight.
It is essential to understand that solar lights function in a more straightforward approach. They are manufactured with a solar panel and also come with a rechargeable battery that is constructed into their system.