In a medium$-$sized company, the IT security team is enhancing security measures by implementing Privileged Access Management $($PAM$)$ tools. The team is considering the adoption of just$-$in$-$time $($JIT$)$ permissions as part of their strategy. How do JIT permissions support the objectives of PAM tools?

A$.$JIT permissions reduce unauthorized access risk by granting temporary access only when necessary.

B$.$JIT permissions provide users with permanent access to critical systems and sensitive data.

C$.$PAM tools are primarily focused on managing standard user permissions.

D$.$JIT permissions are not suitable for enhancing security in medium$-$sized companies.