Yes, there is no reason you can't use a webcam as a small portable digital camera. An actual digital camera will give you a lot better results though...they produce higher quality images and even video.
I have a Logitech Quickcam Pro 3000 and think it does a good job overall. Still, if you need to see details and need high quality images, a regular digital camera will be the better option. You can get very small ones and some can "double" as a web cam...so those are features to consider.
Were you actually considering remote controlling the camera to view multiple items/directions? If so, you're getting more into the realm of surveillance cameras than what the usual webcam does. If you just want someone to be able to take and share images, a webcam would do...and I think an inexpensive digital camera would do even better.
Good luck...