Yes, you can withdraw up to 50% of the buffer from your Funded account, and the other 50% must remain in the account.
What is the buffer balance for each account type?
$25k account: $26,600;
$50k account: $52,600;
$100k account: $103,100;
$150k account: $155,100;
$250k account: $256,600;
$300k account: $307,600.

What is the minimum withdrawal amount per account?
The minimum withdrawal for any account size is $500.
What are the initial withdrawal limits per account?
25K account: Maximum of $1,500 per withdrawal;
50K account: Maximum of $2,000 per withdrawal;
100K account: Maximum of $2,500 per withdrawal;
150K account: Maximum of $2,750 per withdrawal;
250K account: Maximum of $3,000 per withdrawal;
300K account: Maximum of $3,500 per withdrawal.

All the above values are for the first 4 withdrawals, within the first 60 days.