Resources must be available and approved to execute all functional plans. Resource planning (manufacturing, operations, sales, marketing, product development, and financial) is a key element of S&OP/IBP
IBP and BPC both are Capable for all company functional plans which are aligned (product and portfolio management, demand management, supply management, and financial management). The process focuses on making decisions to keep plans aligned and agreeing on the tactics required to execute the plan (with a strong set of KPIs)
BPC as a top down planning tool which considers many factors like inventory and sales. IBP is more of a bottom up planning solution focused on the inventory and its movements, through sales etc.
SAP skills are key to a successful career in the present competitive world and the continuously growing field of Information Technology.