SQL Server 2019

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DECLARE @idoc int,
        @xml xml = '<?xml version="1.0" encoding="UTF-8"?>
<collection>
    <individual>
        <id>1</id>
        <address>
            <coutry>Country1</coutry>
            <zip>ZIP1</zip>
            <city>City1</city>
        </address>
        <address>
            <coutry>Country2</coutry>
            <zip>ZIP2</zip>
            <city>City2</city>
        </address>
        <document>
            <num>101</num>
            <issued>2020-01-01</issued>
            <description>desc1</description>
        </document>
        <document>
            <num>102</num>
            <issued>2020-01-01</issued>
            <description>desc2</description>
        </document>
    </individual>
    <individual>
        <id>2</id>
        <address>
            <coutry>Country3</coutry>
            <zip>ZIP3</zip>
            <city>City3</city>
        </address>
        <address>
            <coutry>Country4</coutry>
            <zip>ZIP4</zip>
            <city>City4</city>
        </address>
        <document>
            <num>103</num>
            <issued>2020-01-03</issued>
            <description>desc3</description>
        </document>
        <document>
            <num>104</num>
            <issued>2020-01-04</issued>
            <description>desc4</description>
        </document>
    </individual>
</collection>';

SELECT c.i.value('(id/text())[1]','int') AS id,
       (SELECT i.a.value('(coutry/text())[1]','varchar(30)') AS country, --It's spelt country, I suggest fixing this at your source, as fundament typographical errors like this can be a real problem later down the line
               i.a.value('(zip/text())[1]','varchar(30)') AS zip,
               i.a.value('(city/text())[1]','varchar(30)') AS city
        FROM c.i.nodes('address')i(a)
        FOR JSON PATH) AS AddressJson,
       (SELECT i.d.value('(num/text())[1]','int') AS num, --It's spelt country, I suggest fixing this at your source, as fundament typographical errors like this can be a real problem later down the line
               i.d.value('(issued/text())[1]','date') AS issued,
               i.d.value('(description/text())[1]','varchar(30)') AS description
        FROM c.i.nodes('document')i(d)
        FOR JSON PATH) AS DocumentJson
FROM @xml.nodes('collection/individual') c(i);

id	AddressJson	DocumentJson
1	[{"country":"Country1","zip":"ZIP1","city":"City1"},{"country":"Country2","zip":"ZIP2","city":"City2"}]	[{"num":101,"issued":"2020-01-01","description":"desc1"},{"num":102,"issued":"2020-01-01","description":"desc2"}]
2	[{"country":"Country3","zip":"ZIP3","city":"City3"},{"country":"Country4","zip":"ZIP4","city":"City4"}]	[{"num":103,"issued":"2020-01-03","description":"desc3"},{"num":104,"issued":"2020-01-04","description":"desc4"}]