The most frequent transactions 

1. VS00 – Master data
2. VC00 – Sales Support
3. VA00 – Sales
4. VL00 – Shipping
5. VT00 – Transportation
6. VF00 – Billing

At Configuration:
 VOV8 – Define Sales documents type (header)
 OVAZ – Assigning Sales area to sales documents type
 OVAU – Order reasons
 VOV4 – Assign Item categoreies(Item cat determination)
 VOV6 – Scedule line categories
 OVAL – To assign blocks to relevant sales documents type
 OVLK – Define delivery types
 V/06 – Pricing
 V/08 – Maintain pricing procedure
 OVKP – Pricing proc determination
 V/07 – Access sequence

Enduser:
Customer Master Creation-VD01 and XD01 (for full inclu company code)
    VD02 – Change Customer
    VD03 – Display Customer
    VD04 – Customer Account Changes
    VD06 – Flag for Deletion Customer
    XD01 – Create Customer
    XD02 – Modify Customer
    XD03 – Display Customer
Create Other material —-MM00
VB11- To create material determination condition record
CO09- Material availability Overview
VL01 – Create outbound delivery with ref sales order
VL04 – Collective processing of delivery
VA11 – Create Inquiry
    VA12 – Change Inquiry
    VA13 – Display Inquiry

Sales & Distribution Sales order / Quote / Sched Agreement / Contract
· VA01 – Create Order
· VA02 – Change Order
· VA03 – Display Order
· VA02 – Sales order change
· VA05 – List of sales orders
· VA32 – Scheduling agreement change
· VA42 – Contract change
· VA21 – Create Quotation
· VA22 – Change Quotation
· VA23 – Display Quotation

Billing
· VF02 – Change billing document
· VF11 – Cancel Billing document
· VF04 – Billing due list
· FBL5N – Display Customer invoices by line
· FBL1N – Display Vendor invoices by line

Delivery
· VL02N – Change delivery document
· VL04 – Delivery due list
· VKM5 – List of deliveries
· VL06G – List of outbound deliveries for goods issue
· VL06P – List of outbound deliveries for picking
· VL09 – Cancel goods issue
· VT02N – Change shipment
· VT70 – Output for shipments

General
· VKM3, VKM4 – List of sales documents
· VKM1 – List of blocked SD documents
· VD52  – Material Determination