The customer uploads the candidates via API but if you do a resume/cover letter search for the uploaded candidate, it will not return the candidate in the search results.
SAP SuccessFactors Recruiting Management
While uploading the candidate the customer wouldn't have maintained the payload to make the resume/attachment as searchable.
For those candidates, you need to run a update query for the searchable property under attachment entity to be true.
sample update query
Post this update, attachment index needs to be performed for the resume to be searched.
resume search, Attachment , candidate uplaod via API , KBA , LOD-SF-RCM-INT , Integration Center & Intelligent Services , Problem