1. Yes, you can use our plugins for your clients. However you will need to buy 5 sites or unlimited sites license. Because 1 site license you can use only at 1 website.
2. Of course, we support all users with our plugins.
3. Yes, all our plugins can be used on multisite. If you will have problems with settings it – you can always contact us in the Internal Support and our developer will help you to set it correctly.
4. I’ll redirect this question to our developer and let you know as soon as he answers.
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