1. A document analysis system, comprising: an image processing apparatus; and an analysis server, wherein the image processing apparatus includes: an extraction unit configured to extract text data from image data obtained by scanning a document; a first sending unit configured to sequentially send divided pieces of the text data to the analysis server until a candidate storage location for the image data is received from the analysis server; a selection unit configured to present the candidate storage location, which is received from the analysis server, and prompts a user to select a storage location; and a second sending unit configured to send the image data to the storage location selected by the user, and wherein the analysis server includes: an analysis unit configured to obtain the candidate storage location by sequentially analyzing the divided pieces of the text data, which are sequentially sent from the first sending unit; and a return unit configured to return the candidate storage location to the image processing apparatus when the analysis unit obtains the candidate storage location.