If you apply for a work permit, you usually need to enclose the documents below. Special rules and forms may apply in the case of certain occupations.
Check the Swedish Migration Board website: Swedish Migration Board website
If you apply online, you attach the documents electronically. If you apply on a paper form, you have to bring all the requisite documents with you to the embassy, together with the completed form.
You need:
Accompanying family
If your family is accompanying you to Sweden, you can apply on their behalf in your own application or with an accompanying form. All information on this can be found at the Swedish Migration Board's website through the link above.