Yes, you can enter and exit from any airport in Oman.

To get your Oman e-Visa, do the following steps:

1. Go to Oman IE Visa
2. Select your living country and citizenship country
3. Choose the required visa type
4. Fill out the application form and upload the documents
5. Pay the visa fee

Your visa will be sent to your email.

No, you don't have to go to the embassy after applying for your Oman visa online. Your Oman visa will be processed and sent to your email.

In that case, you can wait for any notification regarding the payment. If you do not receive any, contact the chat support on the website.