yourhaircliss specialist should have given you post op instructions for cleaning and so forth. However, in general you need to be careful with the scabs and be very gentle with cleaning. After ten days it's ok to rub and shampoo regularly. The scabs usually fall off with the hair shaft, but the follicle remains under the skin. It will start to gradually come in after three months and may take up to 18 months fit full growth. So gentle Itching over the scabs as Long as you don't pull on them should be alright.
In general you may experience itching of the recipient area weeks to days after surgery. Ask your doctor, or follow up with your doctor for a recheck.
It's true that one needs to be careful of the grafts for 8-10 days and a gentle approach is best.
It's unlikely that any significant harm was done but of course one can't say with 100 % confidence without seeing the grafts.
This is a no no. Touching puts you at risk of bringing infection to the recipient grafts. If you feel compelled to touch them, use the flat of your hand and press gently. That might make you feel better and not put you at risk of introducing any bacteria into the recipient area.