SAP MM PR单据类型的配置里‘Control’和’Doc.Type’字段的作用？
Control：如果选成了T，是使用于STO（公司间转储或者公司内转储），需要将Plant当作VENDOR。
Control indicator for purchasing document type
Allows differentiation between the various kinds of purchasing document.
Use
On the basis of the purchasing document type you can, for example, distinguish between a standard purchase order and a stock transport order, although both documents belong to the purchasing document category purchase requisition.
Doc.Type: 主要用于指定企业内部使用的原始凭证的类型。比如把PR原始凭证扫描入系统的时候，PR的类型。比如是Excel还是Word。
Document type
Stored documents are classified according to document types.
