2. The document reading apparatus according to claim 1 , further comprising a receiving unit configured to receive, from the user through the screen displayed by the displaying unit, the instruction not to stop conveyance of the document by the conveying unit, even in the case where the detecting unit detects multi-feed of the document, wherein, in a case where the receiving unit has received the instruction, the stopping unit does not stop the conveyance of the document by the conveying unit, even in the case where the detecting unit detects multi-feed of the document, and wherein, in a case where the receiving unit has not received the instruction, the stopping unit stops the conveyance of the document by the conveying unit in the case where the detecting unit detects multi-feed of the document.
2. The document reading apparatus according to claim 1 , further comprising a receiving unit configured to receive, from the user through the screen displayed by the displaying unit, the instruction not to stop conveyance of the document by the conveying unit, even in the case where the detecting unit detects multi-feed of the document, wherein, in a case where the receiving unit has received the instruction, the stopping unit does not stop the conveyance of the document by the conveying unit, even in the case where the detecting unit detects multi-feed of the document, and wherein, in a case where the receiving unit has not received the instruction, the stopping unit stops the conveyance of the document by the conveying unit in the case where the detecting unit detects multi-feed of the document. 4. The document reading apparatus according to claim 2 , further comprising an executing unit configured to execute a job for causing the reading unit to read an image of the document conveyed by the conveying unit, wherein, in a case where the setting made by the setting unit indicates that, in response to the detecting unit detecting multi-feed of the document, the conveyance of the document by the conveying unit is to stop and where the receiving unit has received the instruction, the stopping unit does not stop the conveyance of the document by the conveying unit until the execution of the job by the executing unit is completed, even in the case where the detecting unit detects multi-feed of the document, and wherein, in a case where the setting made by the setting unit indicates that, in response to the detecting unit detecting multi-feed of the document, the conveyance of the document by the conveying unit is to stop and where the detecting unit detects multi-feed of a document conveyed in another job to be executed by the executing unit after executing the job, the stopping unit stops the conveyance of the document conveyed in the another job by the conveying unit.