When you request a GEDCOM export, an email will be sent to your primary email address with a link that allows you to download your export in a .zip file.
Sometimes foreign language characters don't seem to export properly. Try opening the file and changing the line that reads CHAR UTF-8 to CHAR ANSEL or CHAR UNICODE and see if that resolves the issue.
PAF treats occupations as attributes, and Geni treats occupations as events. PAF will import the occupation information, but you will see "Unexpected tag 'ADDR' in Event Detail Structure." errors in your import log which can safely be ignored.
Marriages events attended by individual will be emitted under the INDI record for the individual. Some programs ignore this and it appears to cause no problem with importing the rest of the data.