Then we have a problem. Whoever plays the shooting guard should be able to create good shots through dribble penetration, shooting off the dribble and shooting coming off screens. VJ is not good at that. Also, standing at 6'4" with the 6'7" wingspan he is a bit below average for SG and will be at a disadvantage against big SGs. In short, his effectiveness will be diminished, especially if he does not make huge improvements in his handle, shooting off the dribble and step-backs.
Also, if he does play SG with his current limitations it would put extra pressure on the Jazz to find someone who can do the typical SG stuff but at another position, like SF or PG. Edgecombe is a good and likeable player but he is not an easy prospect to build the team with.