Hello Sandeep,
As mentioned by Dogboy 49 ( although I wonder what's his real name ?? ) - you may either choose to assign SAPALL authorization to your RFC user id or create a custom authorization group including the relevant components. For instance, if your business process doesn't need Quota check to be executed, the relevant authorization can be removed from your custom authorization group. It all depends on your customer's requirement. Usually it is a task that is performed during the initial days of implementation where project team collaborates with security team to come up with a definite authorization group that fulfills your business.
Hope this helps.
Thanks & Best Regards,
Babu Kilari