In order to read the forms you need to have Acrobat Reader installed on your computer. If you do not have the programme you may download it, free of charge, from Adobe's website: www.adobe.com
Documents from the reference person in Sweden:
If you intend to stay in Sweden for a period longer than three months than you can apply for a D-visa. D-visa provide the same free movement within the Schengen area as a residence permit does.