Avulsion fracture of PCL fm its tibial.

I had Avulsion fracture of pcl from its tibial attachment site along with bone fragment with marrow edema at its fracture site. On 24 April 2017 ,I undergone pcl surgery and doctors fix 2 screws in my body.frstly doctors gave me a pop cast and after 15 days they gave me knee brace. my question is:1. when can I walk with knee brace ? is it resembles a fracture?or only pcl? 2. When can I walk without knee brace? 3.is the screws be mandatory removed in the future or they will hold there ? 4. Can I slightly put weight on my knee like standing since it had 5 weeks ago .(from the past 37 days I only take rest) 5. Can I go to my work ,I m a chartered accountant after 6 weeks with the help of knee brace without walker Plz answer the questions I also attached my MRI report for u r ref