Yes, you can. At least in Sibelius 5 and 6. Sibelius 5 has the functionality to create a servicable "distorted guitar" by combining instruments and filters. A better one is available if you buy the "Rock and Pop" soundbanks. Not as sure about Sibelius 6, but it DOES have a guitar.
finnish
Sibelius
As far as I know it isn't possible in Sibelius Student, but it might be in other versions.
Jean Sibelius was considered to be a national hero in his homeland.
Heidi Sibelius's birth name is Heidi Kristina Sibelius.
Sibelius - software - was created in 1993.
Jean Sibelius's birth name is Sibelius, Johan Julius Christian.
Go To: -> File -> Export -> Sibelius 2, 3, 4, 5...
Sibelius - film - was created in 2003.
Sibelius Academy was created in 1882.
Jean Sibelius was born on December 8, 1865.
The duration of Sibelius - film - is 2 hours.
Jean Sibelius was born on December 8, 1865.
Sibelius Society of Finland was created in 1957.
Heidi Sibelius died on January 3, 1982.
Johanna Sibelius died on March 8, 1970.